Sciencemadness Discussion Board - Latest chemical order?

Latest chemical order?

Pages: 1 .. 5 6 7 8 9 .. 15

Argentum - 2-3-2015 at 16:02

After 3 months waiting, they finally arrived.

Leave you translation as homework

gdflp - 2-3-2015 at 16:11

I can't read the one on the bottom left, but some of the labels are really hard to translate, what could "potasio dicromato" be?

From the looks of it, it looks like 30% H₂O₂, K₂Cr₂O₇, Na₂S₂O₃, MnSO₄, KIO₃, and NaNO₃ yes?

j_sum1 - 2-3-2015 at 16:18

Quote: Originally posted by Argentum

After 3 months waiting, they finally arrived.

Leave you translation as homework

Hydrogen peroxide
mumble mumble pink lid
potassium dichromate
sodium thiosulfate
manganese sulfate
potassium iodate
sodium nitrate

Looks like some redox titrations going on.

[edit] ninja'd!

[Edited on 3-3-2015 by j_sum1]

Argentum - 2-3-2015 at 17:35

"Mumble mumble pink lid" is actually starch (almidón in spanish). It was my secret weapon but unfortunately I took the picture with few light. Anyways, both of you got 100% in spanish

woelen - 3-3-2015 at 00:01

Some special chemicals (this time for experimenting, not for sample collection):
- sodium cacodylate
- arsenic 99+%

Cacodylate (arsenic in oxidation state +5) is much less toxic than cacodyl (arsenic in oxidation state +2) and cacodyl oxide (arsenic in oxidation state +3). I only purchased 10 grams, enough for some simple experiments.

I will be very careful with these chemicals!!

Atrum - 8-3-2015 at 07:24

Quote: Originally posted by Magpie

Quote: Originally posted by Mailinmypocket

Not a reagent but I found this at an antique store. The woman sold it for 3$ and called it a "smoking lamp" fml. I don't even know what to use it for... Distilling or steam generating, I guess. Although I have better things to do both of those. Oh well! Score nonetheless

That's what we used as a distillation flask in the old days before the advent of RBFs and ground glassware. I have one but never use it.

I have about 5 of these in varying sizes. They are pretty useful for quick and dirty distilling.

SimpleChemist-238 - 16-5-2015 at 09:53

Potassium bromide 100g Potassium Bromide 1 $4.71 $4.71 Return
Sodium iodide 100g Sodium iodide 100g 1 $10.52 $10.52 Return
Acetic anhydride 100ml Acetic anhydride 100ml 1 $5.81 $5.81 Return
Ammonium chloride 99,5% - 100g Amo Chloride 1 $2.21 $2.21 Return
Sodium chlorate 100g Sodium chlorate 1 $8.03 $8.03 Return
Sodium hydroxide 100g NaOH 1 $2.21 $2.21 Return
Zinc(II) oxide 99,9% - 100g Zinc oxide 1 $2.77 $2.77 Return
Vanadium powder 99% - 10g V powder 10g 1 $6.64 $6.64 Return
Zirconium Metal 99,8% - 10g Granules Zr grains 10g 1 $4.98 $4.98 Return
Manganese powder 150µm - 50g Mn powder 50g 1 $6.92 $6.92 Return
Ammonium nitrate
- Amount: 100g Am NItrat 1 $5.26 $5.26 Return
Copper(II) sulfate pentahydrate
- Amount: 250g Copper sulfate 1 $3.88 $3.88 Return
Ammonium phosphate
- Amount: 100g Amo Phos 1 $6.92 $6.92 Return
Sub-Total: $70.86
Courier: $0.00
Total: $70.86

fluorescence - 16-5-2015 at 13:25

My last order ... well that's been like 2 or 3 months already...

I think it was

- Sodium Cacodylate ( strange that woelen bought the same stuff xD )

- Sodium Boronhydride

- And the main chemical for my research (100g) that I won't really spell out here ^^ .

Mailinmypocket - 29-5-2015 at 05:57

I discovered that farm supply stores here sell 20L containers of 10.3% NaOCl! Much better than paying for bottles of pool shock

battoussai114 - 1-6-2015 at 14:40

I bought some Oxalic Acid and Potassium Hydroxide.

jock88 - 1-6-2015 at 15:09

Here's a great product. Mixed acids from the local farm supply store. It arrived togay (that's togay as I am very gay today).

Got a few gallons of glycerine just in case I run out

j_sum1 - 1-6-2015 at 16:26

Jock88, are you going to attempt to separate the nitric and sulfuric acids or just leave as is?
Do you know what proportions it is?

jock88 - 2-6-2015 at 09:56

I don't know what the proportions are. Actually I lied, as I did not purchase only took a picture of it on the shelf.

Pyro - 2-6-2015 at 16:25

https://www.youtube.com/watch?v=YaG5SAw1n0c

karlos³ - 4-6-2015 at 08:58

My last Order consisted of some Oxalylchloride, MTBE, Diethylamine, 2-Butylamine, NaBH4 and a few grams of 5-Bromoindole.
So glad i´m not living in the land of freedom!
Next order will consist of more fresh Red-Al, 3-Fluorobenzaldehyd and fumaric acid, i like this stuff, but one needs so much of it (Red-Al, not the fumaric acid

)...

http://www0.xup.in/exec/ximg.php?fid=15584180
http://www.xup.in/dl,58101286/cocl2.JPG/

j_sum1 - 9-6-2015 at 04:53

Chromium Trioxide 500g (Cos it was cheap. Cos I can. Cos there are a bunch of interesting things that I can do with it. Thanks to all who helped answer my questions.)
Ammonium Chloride 500g (Because I don't currently have any ammonium salts)
Potassium Nitrate 3000g (How useful is that? And only marginally more expensive than 500g.)
Sodium Nitrite 500g (Because it is useful to make N2 gas simply and is probably the easiest way for me of getting an inert atmosphere)
Sodium sulfite 500g (Good to have a reducing agent without the limitations of thiosulfate)
Zeolite 3A molecular sieve 500g (always good to have some on hand)

Next up... a round of acids. Followed by some glassware. Followed by some nice element acquisitions -- Na, Ce, Ca, Se
And then I might consider my lab stocked -- at least for now.

[Edited on 9-6-2015 by j_sum1]

SimpleChemist-238 - 11-6-2015 at 09:06

Sodium Sulfite
Ammonium Persulfate
Copper Sulfate
Benzyl Alcohol
TCCA
Sodium Acetate Anhydrous

Texium - 11-6-2015 at 10:06

Not chemicals, but I recently ordered a full set of 14/20 distillation glassware for doing small scale organic chem. Half from Dr.Bob, half new Synthware from AliExpress.

woelen - 11-6-2015 at 22:35

Quote: Originally posted by j_sum1

[...]Sodium Nitrite 500g (Because it is useful to make N2 gas simply and is probably the easiest way for me of getting an inert atmosphere)
[...]
[Edited on 9-6-2015 by j_sum1]

It is not only interesting for making N2, but it is amazing to see how many interesting experiments you can do with nitrite. The ion is quite reactive in aqueous solutions, and it allows formation of many complexes, but also formation of organic nitrites is extremely easy.

Some nice experiments with it:
- Making gaseous CH3-O-NO with methanol and some dilute acid and burning the gas (note: flame color is really weird, it is gray). You can also make ethyl nitrite, isopropyl nitrite and higher nitrites very easily.
- Complexes with many metals. Think of copper, cobalt, nickel.
- A very weird reaction with thiocyanate ion in acidic solution.
- As a mild oxidizer, but sometimes also useful as mild reductor.

j_sum1 - 12-6-2015 at 21:47

Thanks woelen.
That grey flame sounds intriguing. (Is it perchance a blue-ish low temperature flame with some soot in it?)
I have a lot to learn about complexes. Looking forward to experimenting.
Thiocyanate is on the to-buy list as well. I will have to play with that.
Always a mine of information.

My lab journal tells me that it is well over a month since I last got any decent amount of time doing anything serious. I have much to label, tidy and store properly. I don't know when my next decent time allotment will be. Life is like that. And the more I read here the more little projects I have. All good though. If I can buy what I need then I am ready to go when time becomes available.

Praxichys - 23-6-2015 at 05:27

Some interesting things since my last post:

Acetic anhydride, 1L - for cellulose acetate, acetyl chloride, aspirin, etc.
Calcium propionate, 500g - eventually to form propionamide and mono- and di-ethylamine
Dextrin, 450g - because making it myself is a pain.
Monosodium glutamate, 225g - I'm curious about the taste, and I can experiment with glutamic acid, alpha-glutaric acid, etc.
CuO, 900g - for CuO/Al thermite
Potassium persulfate, 450g - Myriad of uses from cleaning glass to explosive metal persulfate salts
CaO, 450g - Because roasting CaCO3 is messy and introduces contaminants. Experiments with guanidine and cyanamide.
Potsssium ferrocyanide, 800g - For HCN, NaCN, KCN, and testing for iron.
K2CO3, 2.2kg - For salting out vodka ethanol. Lab video.
NaOAc trihydrate - For a lab video. Made glacial acetic from it.
30 micron Al powder - For thermite, amalgamation, and H2 generation
Benzyl alcohol, 112ml - As a reference sample for benzyl bromide -> benzyl alcohol
Salicylic acid, 500g - Saw it and wanted it. Easier than making it from ASA. Can make ASA from it as a demo. Makes trinitrophenol synth easier and faster.
Sodium bromide, 1kg - Needed it for Br2 and lab video.

Best of all I am now the proud owner of a 500ml round-bottom, single-neck 24/40 fused quartz boiling flask! With my UVC lamp, this opens many excellent possibilities.

I also picked up some various inconsequential bits of glassware - a few multi-neck flasks, stir bars, rods, a dean-stark trap, a short path condenser.

For the curious, anyone can check up on my current stock here, a link that is also located in my signature.

mr.crow - 23-6-2015 at 14:24

I would love to get a fused quartz boiling flask! Amazon.com has them but not .ca. I hate Canadian amazon :mad:

You can use UV light to chlorinate toluene, chloroform, dimethyl carbonate, etc to make all kinds of interesting things.

Is it safe to use a quartz flask with a regular condenser for reflux?

woelen - 25-6-2015 at 05:38

Two very rare and hard to obtain chemicals:

Tl2O3
TiO

Both of them allow aqueous chemistry with elements in unusual oxidation states and thallium is hard to obtain and rare anyway.

Tdep - 25-6-2015 at 05:59

Thallium! Very interested in what you get up to with that. Thallium cacodylate?? Or perhaps complete hair loss is trendy over there? Good luck with whatever is planned

Praxichys - 25-6-2015 at 06:12

Quote: Originally posted by mr.crow

You can use UV light to chlorinate toluene, chloroform, dimethyl carbonate, etc to make all kinds of interesting things.

Is it safe to use a quartz flask with a regular condenser for reflux?

Exactly! I plan to make benzyl alcohol from toluene/bromine/NaOH, as a start. I can use it to make benzotrichloiride, which can be used to make acid chlorides and thionyl chloride. Lastly, exhaustive free radical chlorination of methyl formate gives trichloromethyl chloroformate, or diphosgene, a convinient source of phosgene in the lab. It can convert amines into isocyanates, secondary amines into carbamoyl chlorides, carboxylic acids into acid chlorides, formamides into isocyanides, etc.

I have a 254nm UVC germicidal lamp that will be employed for these tasks.

I am still looking into the reflux condenser compatibility. I think I will use teflon tape as padding in the joint to help with potential thermal expansion issues.

woelen - That's impressive. Your thallium scares me. At least phosgene toxicity is not cumulative.

[Edited on 25-6-2015 by Praxichys]

Loptr - 25-6-2015 at 06:23

Quote: Originally posted by Praxichys

I am still looking into the reflux condenser compatibility. I think I will use teflon tape as padding in the joint to help with potential thermal expansion issues.
[Edited on 25-6-2015 by Praxichys]

If you used teflon tape that didn't allow the joints to seat all the way, it should allow for some thermal expansion to occur within the female joint, and hopefully enough to not break the male. You might want to attempt a test run to make sure..

woelen - 25-6-2015 at 07:14

Quote: Originally posted by Tdep

Thallium! Very interested in what you get up to with that. Thallium cacodylate?? Or perhaps complete hair loss is trendy over there? Good luck with whatever is planned

Why so upset about thallium? I read about people experimenting comfortably with mercury or lead and their salts and these are of similar toxicity as thallium. Others play around with phosgene and derivates (di- and triphosgene), or with white P. All of them equally toxic and dangerous.

Of course, you have to be careful with thallium, but at least it is not volatile at all, not in its salts, nor as the free element. You have to be careful not to get a Tl-containing solution on your skin, and not to inhale dust or droplets of a bubbling solution of a Tl-salt. If a little amount of a solution of a Tl-salt is spilled on your skin, then simply quickly rinsing away with water removes the risk. Just do not allow it to act upon the skin for minutes.
I think that experimenting with solutions of Tl-salts is not more dangerous than experimenting with solutions of Hg-salts or Pb-salts. The latter two are more common and hence sound less scary.

The reason why I purchased a little Tl2O3 is that chemistry of thallium is only marginally known and I hope to find a few interesting things about its chemistry.

mr.crow - 25-6-2015 at 14:16

I found this company that sells fused quartz glassware with standard joints. They also have an (American) Amazon page.

You can make triphosgene using dimethyl carbonate. This book written by member len1 goes into details. Looks like nasty shit. Washing the glass with acetone causes residue to revert to normal phosgene.

Tdep - 25-6-2015 at 18:31

Quote:

Quote: Originally posted by woelen

Upset? No, excited is a much better word. It's interesting, I actually have an Exam in 20 hours where I'll have to compare the toxicity of thallium, Mercury and lead (environmental chemistry). There really isn't much day to day exposure to background levels of thallium, unlike Mercury and lead (depending on how much fish you eat) and it's mainly known for killing people, much in the same way arsenic sort of developed a reputation as a murder weapon. So you're right, comparable toxicity but definitely screams death to many a chemist.

Give me a few years and this hopefully will be my career path, heavy metals in the environment.

Also, I believe pre 1970 there was no cure for thallium poisoning, now Prussian Blue is used. Took quite a while to find an effective treatment.

Any oxidation states with colour though? You've always presented such wonderful colour changes of metal chemistry in your website, think you will be able to that with thallium?

[Edited on 26-6-2015 by Tdep]

NedsHead - 30-6-2015 at 03:15

Well you're in the right location for that career Tdep

woelen - 7-7-2015 at 23:21

Quote: Originally posted by Tdep

[...]Any oxidation states with colour though? You've always presented such wonderful colour changes of metal chemistry in your website, think you will be able to that with thallium?

I have done a first few experiments with the thallium oxide to get a feeling of its properties. I'll summarize a few for the interested people:
1) Tl2O3 is a dark brown powder, like dark chocolate.
2) Tl2O3 dissolves in acids very easily. If you add it to e.g. 20% HCl, then you hear a soft hissing noise and then it is dissolved. The solution is colorless and contains Tl(3+) ions. The sulfate, nitrate and chloride all are soluble, I tried all of them.
3) Tl(3+) is very easily reduced to Tl(+). An example is addition of acidified sulfite (or SO2) to a solution, containing Tl(3+) ions. Reduction is fast and complete. When this is done in a solution of Tl2O3 in dilute HCl, you get a white precipitate of TlCl, which is formed as soon as SO2 is added.
4) Tl(+) is very easily oxidized to Tl(3+). E.g. adding H2O2 to an acidic solution, containing Tl(+) leads to formation of Tl(3+). On addition of a base, brown Tl(OH)3/Tl2O3.xH2O precipitates.
5) Tl(+) forms a nice yellow precipitate of TlI with iodide ions. The yellow solid looks like sulphur, not like the very bright yellow of PbI2. It really is hard to distinguish powdered TlI from powdered sulphur.
6) Most special is addition of a solution of NaIO4 to a solution with Tl(+). This forms a snow-white fine crystalline precipitate of TlIO4, which however, after 5 minutes or so becomes yellow and after a quarter of an hour it is brown. Tl(+) resembles K(+) and hence forms the nearly insoluble TlIO4. This compound contains a reductor and oxidizer in the same compound and these react with each other. The Tl(+) is oxidized to Tl(3+), while the IO4(-) is reduced (probably to IO3(-) and O(2-) and maybe part of it is reduced to I(-)). The brown color then most likely is caused by formation of basic thallium(III) compounds.
7) Tl(+) forms a pale yellow solution with nitrite ions, which decomposes on acidification. Probably this is a complex ion.
8) Alkalies do not precipitate Tl(+), they do precipitate Tl(3+) as a dark brown precipitate. A nice effect is created when a solution of Tl2O3 in an acid is reduced (e.g. with SO2), then made alkaline and then H2O2 is added. On addition of H2O2 the colorless solution becomes brown and turbid at once.

More experimenting will follow and when I have collected more interesting results, I will make a write-up with pictures.

j_sum1 - 31-7-2015 at 04:06

Not chemicals. But I am now the proud owner of some 24/40 glassware with flasks up to 1L.
It's not a great photo: I just snapped it in poor light conditions with the first thing available.
Mantle will arrive soon.

Now I am only a magnetic stirrer, a furnace, a fume hood and a couple of bottles of acid away from a properly stocked lab.

Starcruiser - 1-8-2015 at 00:55

3 kg of potassium sulfate and 3 kg of calcium nitrate, very impure (fertilizer grade) at a local hardware store. Sitting side by side in plastic bags on the same shelve, begging to be bought and made into KNO3

battoussai114 - 1-8-2015 at 09:45

Bought glacial Acetic Acid today... Not bad quality, technical grade, and surprisingly it only cost me like 2 or 3 bucks for a liter of it. I'm using it on some zinc carbonate that have been laying on the shelf for quite a while.

fluorescence - 6-8-2015 at 07:42

My now long awaited package just arrived.

Apart from some Salts like Manganese Chloride or Sodium Sulfite that I need was a bottle of Benzene
which is like the best, some LiAlH4 and lot's of other stuff.

mr.crow - 30-8-2015 at 19:46

I found a great score at the antique fair today. A large fishersci hotplate stirrer for $35! Also a 2L filter flask for $10 with a dead mouse inside. The seller said it was from someone's basement and he sold over 40 beakers and flasks that day.

battoussai114 - 30-8-2015 at 20:45

Dang it! I never find used glassware with dead things inside

I bought an electrical stove to replace my alcohol camping stove in my experiments... And seems I'm up to a rather good start with a beaker full of manganese dioxide cracking over it and making THE mess....
I also bought a MFRC522 nfc reader and a couple tags, I'll try to dump the tags used in the local public transportation and then I'll have more the a copy of my personal card so I don't have to walk every time I forget the original one... And maybe I'll expose some design flaws and get free bus rides to all the members of the local hackerspace.

skip - 31-8-2015 at 05:28

disregard , post .Thanks

[Edited on 31-8-2015 by skip]

elementcollector1 - 31-8-2015 at 09:42

Just ordered some polyethylene glycol brake fluid and fumed silica. Any guesses on what I'm making? ;D

ave369 - 31-8-2015 at 23:50

I usually buy from a Russian supplier "AntrazoXrom". They sell reagents and glassware by mail order (though the notorious Mail of Russia is known for breaking glassware en route, so if I need a lot, I travel to Moscow in corpore with a duffel bag). My most current order was a fresh supply of filter paper, litmus and universal indicator, and two new beakers to replace the one I broke recently.

Of course, many things I have here are extracted or synthesized from stuff bought in our town stores such as hardware, gardening, etc. That's the very essence of survivalist chemistry - being able to do stuff with things you can find at the nearest ruins.

[Edited on 1-9-2015 by ave369]

woelen - 14-9-2015 at 22:58

I ordered a single chemical now, rubidium nitrate 100 grams.

This was a very good offer, 100 grams for just over 70 euros! You can find it on the onyxmet.com website. Select english language and the currency of your choice (at top right of webpage) then search for "rubidium".

In the last few months I discovered more and more that rubidium and cesium are much more interesting than I thought some time before. It is remarkable how many special anions can be stabilized in the solid form with rubidium and cesium ions. I have experimented with TeCl6(2-), TeBr6(2-) and SeBr6(2-), some time ago with chloro-complexes of Sb and I intend to experiment with special alums of titanium, vanadium and chromium, stabilized with rubidium or cesium. Many very special chemicals can be isolated, while this cannot be done with potassium ions or sodium ions. More on this will follow soon on my website.

fluorescence - 22-9-2015 at 02:21

Went to my Vintner ( Oh I love that word, never heard that one before looking it up in a dictionary ) for the annual talk on how well our Wine is doing. We thought of making some Spirits this year, too since we recently aquired a small field with some pear trees. So I went to my Vintner and asked him what additional chemicals we would need that don't belong to winegrowing and he told me that we needed conc. Sulphuric Acid for it and gave the the Adress to a shop that sells food grade 96% Sulphuric Acid. So I went there today and nearly bought the whole shop since the have a freaking lot of stuff all for agricultural stuff, everything is food grade and very pure and really cheap. Just bought a 1 kg Bottle of Copper Sulphate for around 15 $, a bottle of Sulphuric Acid ( 1L ) for around 14$ and some Citric Acid togehter with some glassware.

If it wasn't only 1 kg minium sizes I'd buy more, all the stuff like pure Vitamins, Tartaric Acid, Malic Acid, Sodium Hydroxide standart Solution, Indicator Solutions and lot's and lot's more. I even saw a bottle of Methanol but it was mixed with something else so not pure.

I'll keep that shop in mind, really usefull !

ave369 - 22-9-2015 at 07:08

1. A Buchner set for vacuum filtering. Now I can finally experiment with solid ferrates!
2. A set of spare rubber bungs.
3. New test tubes. Including the tiny Ulengut test tubes which will be useful for microchemistry.
4. Potassium iodide and salt of hartshorn. And a huge fresh supply of KOH, once again for ferrate syntheses which gobble this alkali like popcorn!

[Edited on 22-9-2015 by ave369]

j_sum1 - 2-11-2015 at 01:18

Yesterday bought a bottle of argon and a regulator. Also some more NaOH and some gypsum.
Today I had 100g of sodium arrive, 115g of Ca, 100g of CaF2 and 10 grams of alizarin.

I have also located a cheap OTC source of manganese sulfate. I might start using that for making sulfuric acid instead of copper sulfate. Especially useful if I can recycle the MnO2 byproduct by bubbling some SO2 through it. Even without that extra step, it is looking cheaper than the CuSO4 route. And if the recylcing works efficiently I will have a workable route from garden sulfur to concentrated acid.

Anyway, the CaF2 is a slag fluidiser for a titanium thermite. The gypsum is also for that thermite and some others. Alizarin just looks like fun but also useful for identifying cations -- if I can get it to work. I understand that it is a wee bit finicky.

JJay - 2-11-2015 at 01:45

I bought some 91% sodium bisulphate at Wally World. I don't have any specific plans for it, but I never seem to have any when I need it.

I also went to the brewing supply store and was very disappointed at the poor selection of chemicals available and the lack of expertise among the staff. I asked if they had any potassium bicarbonate and was told that potassium carbonate is the same thing!

Oh and I bought two 500 watt immersion heaters, which together provide enough heat to boil 15 liters of water.

Next I'm thinking about hitting up pottery stores to see if I can find any dichromate.

mayko - 3-11-2015 at 10:09

I bought a pound of sodium silicate off eBay... not terribly exotic, really only noteworthy because of the free surprise the supplier decided to throw in: a matching Lucky Charms (TM) spoon and cereal bowl!

arkoma - 4-11-2015 at 02:12

112gms KOH

HeYBrO - 4-11-2015 at 03:46

Quote: Originally posted by j_sum1

Yesterday bought a bottle of argon and a regulator. Also some more NaOH and some gypsum.
Today I had 100g of sodium arrive, 115g of Ca, 100g of CaF2 and 10 grams of alizarin.

did you get the sodium and calcium from onyxmet.com ??

j_sum1 - 4-11-2015 at 04:41

Why. However did you guess?
All four were from there. My problem is that I have more on my wish list than I can afford.
And I have more projects waiting for me to have some time in the lab than I have time in the lab.

Let me add concerning onyxmet, service was great! Shipping from Poland took less than a week. And I was able to pay directly to an aussie account without paypal fees or currency exchange fees.

HeYBrO - 6-11-2015 at 22:57

Quote: Originally posted by j_sum1

Why. However did you guess?
All four were from there. My problem is that I have more on my wish list than I can afford.
And I have more projects waiting for me to have some time in the lab than I have time in the lab.

Let me add concerning onyxmet, service was great! Shipping from Poland took less than a week. And I was able to pay directly to an aussie account without paypal fees or currency exchange fees.

call it intuition ;P considering the only other easy place to get sodium in aus would be from eBay/argent scientific (same person), and the sodium he gets is from onyxmet. how was customs concerning shipping?

j_sum1 - 6-11-2015 at 23:05

No issues whatsoever. Never have been with Onyxmet. I believe their secure packaging of the Na circumvents a lot of regulatory issues.

HeYBrO - 7-11-2015 at 02:29

Quote: Originally posted by j_sum1

No issues whatsoever. Never have been with Onyxmet. I believe their secure packaging of the Na circumvents a lot of regulatory issues.

thanks, I think ill buy some!

NedsHead - 9-11-2015 at 19:19

I bought some Graphite today, there's a pallet of it sitting at the local scrap yard. They didn't even know what it was. Maybe I should go back and get some more while it's cheap.

j_sum1 - 9-11-2015 at 19:29

Do you want to be a middleman? I will buy some off you!
I'll PM soon.

NedsHead - 9-11-2015 at 19:37

Yeah sure, I have no idea what grade it is though, it has some numbers written on it, you can see part of them in the pic

ave369 - 15-12-2015 at 04:45

My latest order was a strange one. Usually I bought Chinese-made retorts relabeled in Russian, from a company known as Rushim, which could rather be called "El Cheapo" (or "Cheapovsky" in our case). Their glassware costs pennies but is notorious for low reliability. Two Rushim retorts I've already seen cracking.

But now I've found a native Russian glass-blowing workshop that makes, among other things, retorts. But they have a strange idea of what a retort is. The "nose" is short and has no section pointing downwards. There is no tubulus, and it has a flat bottom.

To add insut to injury, they do not sell to private persons. I had to ask Antrazoxrom, our friendly local chemical mail order shop, to buy it from them and send to me. Why did I need to buy such a gimpy retort? Because they advertise the glass as very robust, and I need the retort for hot-drying sulfuric acid in the Batparatus! And for the Batparatus, such a retort is good.

Looks like I'll end up with two retorts. One Cheapovsky, crappy glass, but proper shape - for not very harsh conditions. And the other, the gimp I am buying, for boiling sulfuric acid and similar nastiness.

[Edited on 15-12-2015 by ave369]

[Edited on 15-12-2015 by ave369]

j_sum1 - 15-12-2015 at 04:55

Ave. I think you are the only person I have come across who regularly uses retorts instead of a regular condenser.

ave369 - 15-12-2015 at 05:16

I use both. Because:

1: the Batparatus needs both a retort and a Liebig. Otherwise very hot vapors will destroy the Liebig.
2: because for some things, Liebig is overkill.
3: retorts have a use outside distillation. They can be used, for example, to dissolve HCl/NH3 in water without funnel traps because their noses are so wide.
4: I'm not rich enough for a full ground glass distilling setup. My regular distilling setup uses rubber bungs and PTFE loops. A one-piece retort is more reliable than that.

[Edited on 15-12-2015 by ave369]

karlos³ - 15-12-2015 at 05:29

Solvents!
Litrewise MTBE, DCM, Acetone, iPrOH, MeCN, n-Butylacetate, CHCl3, DMF, Ac2O!
Stocking the cabinet

Also bought some reagents, Hexamine, NaH, Succinimide, and, most interesting, a gram luminol!
Could have synthed it myself, but it was only a few bucks so I decided to get it and do some show experiments with it.

JJay - 15-12-2015 at 06:22

I ordered a kilogram of sodium bromide for making elemental bromine and general bromination purposes.

mayko - 15-1-2016 at 09:29

It's the start of the semester, and the university stockrooms are cycling their inventory and there are piles of stuff lying around with cardboard signs reading FREE! This time around, it's volumetric flasks large and small

diggafromdover - 15-1-2016 at 09:44

Ordered a kilo of Calcium Carbide "Vole Expeller" on EBay. I have visions of being Bill Murray plotting to kill gophers as an agent of the UN.

NedsHead - 20-1-2016 at 22:18

Found some N₂O canisters today

diggafromdover - 23-1-2016 at 09:45

The carbide arrived from Deutschland. Good tech grade gravel like lumps. 13 days from payment to my hot little hands. mikonqs appears to be a fine seller.

JJay - 23-1-2016 at 13:16

I ordered a 500 CFM fan for my hood

mr.crow - 30-1-2016 at 16:26

Aliexpress is the weirdest website. I found a store selling bikinis, gay men's underwear, dildos, penis pumps (not my bag, baby!) and laboratory glassware. http://www.aliexpress.com/store/315936

I love China

Herr Haber - 31-1-2016 at 07:43

Quote: Originally posted by diggafromdover

The carbide arrived from Deutschland. Good tech grade gravel like lumps. 13 days from payment to my hot little hands. mikonqs appears to be a fine seller.

I dont know what price you pay but here among the community of cavers, urban explorers etc it sales around 3,50 to 5,50 /kg.
Most prices I've seen in eBay are way above that.
Of course, it's tech grade! So if you want to use it for chemistry and not lighting you'll have to purify the gas somehow depending on your intent.
I think last time several spelunling clubs, cataphiles and other association got together we ordered around 700 tons from China. Which seeems a lot, but when in a troglodyte village everyone wants his own 100kg barrel, it doesnt last long.
Before that, the supplier was in Romania but seems to have stopped production. Good, I found some Arsenic in one of their batches (used for metallurgical purposes but it's still a weird impurity tough a nice addition to my elements collections)

LED's are why its harder and harder go get CaC2

JJay - 31-1-2016 at 10:40

Potassium permanganate, potassium dichromate, barium carbonate.

NedsHead - 19-2-2016 at 06:03

Picked up my order today, 5ltr of sulphuric acid for Tdep and myself and a fresh bottle of ammonia

Tdep - 19-2-2016 at 19:30

Woo that's me! I'm very excited for some clean and clear sulphuric acid. Although I think I might miss being able to blame all the problems in a synthesis on the black mo-fo dye. Thanks for picking that up, will let you know when i'm coming soon NedsHead

j_sum1 - 20-2-2016 at 02:24

Arrived the other day -- a sample of fluorine for the element collection.

Well, at least something to represent fluorine -- a nice collection of antozonite crystals: which are pretty much the only way that F2 occurs naturally. The crystals are dark, almost black and cuboid. Not possible to actually see the fluorine of course but I am told that If I crush some of the crystals up I should be able to smell them. The mineral is also known as stinkspat for that reason.

I'll put some photos in pretty pictures at some stage.

Maker - 20-2-2016 at 03:11

2 litres each of acetone, IPA, DCM and HCl and 1 litre each of toluene, ethyl acetate, petroleum ether and phosphoric acid.

Got it from Darrant chemicals in the UK, they have decent pricing and will sell to individuals.

CharlieA - 20-2-2016 at 06:07

KMnO4; K3(Fe[CN6]); Sn; KBrO3; and a small lab frame from rotocon.com.

woelen - 21-2-2016 at 07:36

Quote: Originally posted by j_sum1

Arrived the other day -- a sample of fluorine for the element collection.

Well, at least something to represent fluorine -- a nice collection of antozonite crystals: which are pretty much the only way that F2 occurs naturally. The crystals are dark, almost black and cuboid. Not possible to actually see the fluorine of course but I am told that If I crush some of the crystals up I should be able to smell them. The mineral is also known as stinkspat for that reason.

True samples of fluorine probably are not possible. Some sellers (e.g. on eBay) sell mixes of 1 part of F2 and 2 parts of He in glass ampoules, but I doubt that these ampoules contain any F2 after a few months of storage. So, indeed, for fluorine you need something which represents fluorine. I have made a different choice than you. You chose for a comnpound, containing fluorine, I chose for something, which looks like fluorine. I made an ampoule with perfectly dried Cl2 to which some perfectly dried NO2 is added, so that it has a yellow/brown appearance at room temperature and then I diluted this with air, so that only a pale color remains. I labeled the ampoule as "fluorine lookalike".

j_sum1 - 21-2-2016 at 07:40

As I understand it, decay of uranium within the crystal matrix leaves tiny amounts of free fluorine within voids in the crystal.
https://en.wikipedia.org/wiki/Antozonite

Deathunter88 - 21-2-2016 at 08:22

Quote: Originally posted by Maker

2 litres each of acetone, IPA, DCM and HCl and 1 litre each of toluene, ethyl acetate, petroleum ether and phosphoric acid.

Got it from Darrant chemicals in the UK, they have decent pricing and will sell to individuals.

You lucky person living somewhere where buying acetone, HCl, or toluene is not illegal.

Do you have specific plans for them or are they just "when the time comes" chemicals?

JJay - 22-2-2016 at 07:46

Today I am getting a quartz tube that I ordered a week ago. I am pretty excited.

Unfortunately, my alumina/silicate paper got stuck in a warehouse in China, so I am waiting for some to arrive from California.

Later I am going to locate or order some ferricyanide compound.

mayko - 26-2-2016 at 16:48

I was walking around the neighborhood and I found, left out on the curb, some gardening supplies, including a bottle of rooting hormone, 0.1% indole-3-butyric acid. Probably gonna cruise down Rosemary St. tonight with some scissors and grow myself a rosemary army

JJay - 2-3-2016 at 22:53

Over the past week I bought potassium hydroxide, nickel, sodium thiosulfate, sulfur flour, sodium hydroxide, ammonium nitrate, and urea. I also got a graphite crucible in the mail. Tomorrow I am getting my DC power supply and making some bromine.

mayko - 12-3-2016 at 11:46

2 pounds calcium chloride just showed up in my mailbox. Good things are ahead xD

JJay - 12-3-2016 at 13:09

Calcium chloride is extremely useful. I've gone through about half of a five pound canister in a few months.

Daffodile - 13-3-2016 at 08:16

Quote: Originally posted by JJay

Over the past week I bought potassium hydroxide, nickel, sodium thiosulfate, sulfur flour, sodium hydroxide, ammonium nitrate, and urea. I also got a graphite crucible in the mail. Tomorrow I am getting my DC power supply and making some bromine.

Strangely enough I got almost the exact same stuff two weeks ago. (Potassium Hydroxide, Sodium Hydroxide, sulfur, ammonium nitrate, urea, and nickel) Im waiting for a graphite crucible to come in the mail, and I'm meeting with a guy on craigslist to buy a DC power supply later.

NedsHead - 23-3-2016 at 02:52

I received my order of 50g potassium iodide and 50g iodine today

is there any OTC source of sodium thiosulphate in Aus or a procedure to synthesize sodium thiosulphate from sodium metabisulphite? (I would like to perform the iodine clock reaction)

j_sum1 - 23-3-2016 at 03:02

Here you go Ned.
Does this work?
http://auschems.com/catalog/product_info.php?cPath=22&pr...

Oscilllator - 23-3-2016 at 03:03

NedsHead you can react NaOH with plain sulfur to form sodium thiosulfate, although there are a few issues with the process. I made a thread about it a while ago, but nobody replied

http://www.sciencemadness.org/talk/viewthread.php?tid=25433

NedsHead - 23-3-2016 at 04:04

Thanks guys, looks like I'll have to put it off until I order some thiosulphate, nice work Oscilllator, I'll also be giving that synth a try when I have some time, with a bit of luck the heads of SM can refine the process and remove the polymer

Schleimsäure - 23-3-2016 at 12:46

I'm busy to collect my next order from Chemist's paradise Poland.
Some examples:
2l 1,4 Dioxane, 2l 1-Propanole, 1l Acetaldehyde, 250g Anthracene, 330g Chloral hydrate, 3l Cyclohexanole, 200g Diphenlyamine, 250g Potassium bromate, 2kg Chloroacetic acid, 250g Sodium azide, 1 l Nitrobenzene etc. pp.

Still waiting for the several chlorinating agents like thionyl chloride or PCl3.

Also 1 kg of sodium metal. I don't need all of it, if someone is interested in amounts, preferrably from Europe because of shipping cost, please pm me.

JJay - 23-3-2016 at 13:53

I picked up another canister of calcium chloride since it is something I tend to use a lot. I haven't even broken out my barium salts....

CharlieA - 23-3-2016 at 15:59

Today I received phosphoric acid, glacial acetic acid, sulfur, potassium nitrate, sodium nitrate, and potassium hydroxide, all from Duda Chemical.

chemrox - 23-3-2016 at 19:54

Chloropyrazine. I need a small quantity of oxalyl chloride and the stuff costs too much at TCI. Anyone got 10-20 grams he wants to sell or trade for?

JJay - 25-3-2016 at 07:54

I'm about to place an order for potassium ferrocyanide and potassium iodide.

JJay - 31-3-2016 at 02:34

I ordered the potassium ferrocyanide and potassium iodide and picked up some silver rounds.

Loptr - 31-3-2016 at 03:05

I ordered quite a few other things from this supplier, but they only had 1/10 of what I ordered in stock. Needless to say they are a smaller supplier oriented towards high school chemistry classes, and brushed me off for the rest of the order, so this is all that I received from them.

Sodium Ferrocyanide
Sodium Sulfate
Sodium Sulfite
Barium Carbonate
Benzene 4L

Another US supplier....
Phthalic Anhydride
Acetophenone
Hydroxylamine sulfate
Benzoyl Chloride
Acetonitrile

[Edited on 31-3-2016 by Loptr]

j_sum1 - 7-4-2016 at 17:48

Some cerium oxide just arrived from china. It will do as a stand-in for the element collection until I can afford that kilo lump I have my eyes on. It was cheap enough and I will probably have some fun trying to get it to react with something with the eventual goal of conjuring up some cerium salts.

Strange thing was, it was registered mail -- I had to sign for it. And it was labelled as "assorted cold dishes". That's a new benchmark for inaccuracy.

[Edit]
Two litres of sulfuric acid arrived at the door. Crystal clear 98%. It's been a good day.

[Edited on 8-4-2016 by j_sum1]

mayko - 8-4-2016 at 15:41

1/2 pound of bismuth metal... gonna grow some crystals, maybe make BiBr₃

JJay - 14-4-2016 at 12:53

I just ordered some potassium iodate for use as an iodometric primary standard.

Loptr - 14-4-2016 at 20:10

500g TEMPO
1kg Sodium bis(2-methoxyethoxy)aluminum hydride, 70% solution in toluene
10kg sodium borohydride

I will be selling custom size amounts of NaBH4 here on SM sometime soon.

[Edited on 15-4-2016 by Loptr]

HeYBrO - 15-4-2016 at 03:38

Quote: Originally posted by Loptr

500g TEMPO
1kg Sodium bis(2-methoxyethoxy)aluminum hydride, 70% solution in toluene
10kg sodium borohydride

I will be selling custom size amounts of NaBH4 here on SM sometime soon.

[Edited on 15-4-2016 by Loptr]

Shipping internationally?

JJay - 15-4-2016 at 10:37

I might be interested in some NaBH4. I've thought about buying, some, but I don't have a specific purpose for it yet.

JJay - 26-4-2016 at 12:57

Denatured alcohol, sulfuric acid, sodium carbonate.

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