Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
thionyl chloride synthesis
Yes, PCl5 will chlorinate phthalic acid and you would distill off the POCl3 product which is easily ...
1-2-2009 at 14:47
by: panziandi
thionyl chloride synthesis
Sorry I just found it a little amuzing that's all! Not calling you a twit or anything, I know HOW sm ...
1-2-2009 at 12:52
by: panziandi
thionyl chloride synthesis
Well indeed I thought it's a bit silly to say you want to avoid certain nasty chemicals for smelly, ...
1-2-2009 at 11:32
by: panziandi
thionyl chloride synthesis
That is what I don't understand with Jor... You say you don't want to work with SO3 or Oleum and you ...
31-1-2009 at 15:06
by: panziandi
Underground Gadgets & Chemical Supply
Oh yes! If you are selling it on! But I meant who (as in an amateur chemist) would want 19L of hydro ...
31-1-2009 at 13:08
by: panziandi
Underground Gadgets & Chemical Supply
Ok Chloric1 ... the $2 per lb of Sodium Silicate is a good buy! Who would want 19L of reagent grade ...
31-1-2009 at 05:30
by: panziandi
preparation of salicylic acid from anthranilic acid
Well I thought it looked like a pre-lab exercise that is why I gave a vague outline and suggested so ...
30-1-2009 at 07:26
by: panziandi
preparation of salicylic acid from anthranilic acid
Well what I'm saying is you research the GENERAL reaction that converts an aromatic amine to a pheno ...
29-1-2009 at 08:45
by: panziandi
preparation of salicylic acid from anthranilic acid
Anthranilic acid would be diazotised with sodium nitrite/hydrochloric acid mixture at 0*C, the solut ...
29-1-2009 at 07:45
by: panziandi
4-Aminobenzoic acid from Paracetamol
Perhaps nitration just with normal 70% nitric acid and sulphuric acid would work? I mean it works fo ...
29-1-2009 at 06:06
by: panziandi
Underground Gadgets & Chemical Supply
Twisted logic but, you will probably find you make more money if you LOWER prices on some items! Sou ...
29-1-2009 at 05:05
by: panziandi
anhydrous CrCl3
Then I think your best bet is to dehydrate the CrCl3.6H2O with your precious thionyl chloride... Unl ...
29-1-2009 at 03:38
by: panziandi
4-Aminobenzoic acid from Paracetamol
Haha bless your magic carbon disappearing reappearing trick :p

The usual mixed acid approach to n ...
29-1-2009 at 03:00
by: panziandi
Uses of Chlorine
Last week I went to the pool and forgot to wash my shorts over the weekend! After a wash with my fav ...
28-1-2009 at 15:57
by: panziandi
anhydrous CrCl3
If you are having phosgene as a by product I would suggest dissolving it in toluene and keeping the ...
28-1-2009 at 11:22
by: panziandi
acetonitrile synthesis
CuCN is used to convert Ph-Br to Ph-CN

NaCN or KCN is used to convert R-X to R-CN

AgCN is used ...
28-1-2009 at 07:01
by: panziandi
acetonitrile synthesis
Of interest may be this document: http://www.rsc.org/ej/CC/2007/b614061k.pdf which is a ChemComm art ...
28-1-2009 at 04:49
by: panziandi
anhydrous CrCl3
A tube furnace shouldn't be too hard to construct yourself, if you have Pyrex or Vycor (preferably t ...
28-1-2009 at 03:44
by: panziandi
preperation of cumene from isopropanol and benzene
Benzophenone? wouldn't you have an amazing 2nd benzene ring stuck on the side of your cumene? :p

...
27-1-2009 at 04:31
by: panziandi
Strange Substance??
Yes! It could be a solution of "caramel" which is partially dehydrated and polymerized sugars. I cer ...
27-1-2009 at 03:56
by: panziandi
Caesium (cesium) wanted in the UK
Try eBay.com too. Caesium chloride, carbonate, bromide, iodide, phosphate, sulphate, acetate etc are ...
26-1-2009 at 16:11
by: panziandi
The short questions thread (1)
What the F**K has been up these past 24hrs or so? Sciencemadness had been down, files deleted from s ...
26-1-2009 at 16:08
by: panziandi
Uses of Chlorine
Yes indeed burning sodium in chlorine is very nice! Woelen I like your page on this experiment, woul ...
23-1-2009 at 12:27
by: panziandi
Uses of Chlorine
Well first you obtain Iodine the Iodine will react with KI to from KI3, but with increased addition ...
20-1-2009 at 14:58
by: panziandi
Dean Stark Trap
Another very easy ester to make is methyl or ethyl salicylate.

With the methyl or ethyl benzoate ...
20-1-2009 at 05:48
by: panziandi
[Next Page]

  Go To Top