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

Search
[Next Page]
One of the easiest scents to produce
Meanwhile I checked J. Chem. Edu. and found an article from long ago where they used NaOH to test fo ...
2-12-2019 at 05:31
by: Pumukli
One of the easiest scents to produce
Yes, you are right, I thought of violets, but sometimes I get confused with the English names of flo ...
29-11-2019 at 21:18
by: Pumukli
One of the easiest scents to produce
I seem to remember, that beta-ionon smells nice, lilly of the valey scent, but I have not find an ea ...
29-11-2019 at 11:38
by: Pumukli
Issues with starch-iodide test strips
Probably he is right. When I tried to use KI-starch a few weeks ago I used to detect hypochlorite. A ...
29-11-2019 at 03:03
by: Pumukli
Issues with starch-iodide test strips
I think the formation of NI3 is a slow reaction while I2 and starch reacts quickly. So I'm surprised ...
28-11-2019 at 09:22
by: Pumukli
An odd smell from some acetone
Have you tried heating and "sampling" your acetone alone, without caffeine?
28-11-2019 at 09:18
by: Pumukli
Azeotropic esterifications
I think there is some sort of "unforeseen" problem with benzene in these reactions. Maybe as S.C.Wac ...
28-11-2019 at 09:14
by: Pumukli
What would the procedure for Benzidine to aniline look like?
One will get glycol anyway bacause the hydrolysis of PET produces ethylene glycol and terephthalic a ...
27-11-2019 at 00:01
by: Pumukli
Idea from making salicylic acid from aspirin pills, extract with hot water, not acetone.
In theory your method can work. In practice, you may experience problems. :)

When I tried somethi ...
26-11-2019 at 23:52
by: Pumukli
Masking of nitrite during nitrate determination
In the summer once I determined the purity of my amidosulfonic acid by the volumetric measurement of ...
26-11-2019 at 08:53
by: Pumukli
Diethylamine hydrochloride - Success!
Monolithic: I doubt if it was. Such assymetric amin is harder to manufacture than say dimethyl- or d ...
26-11-2019 at 02:05
by: Pumukli
Azeotropic esterifications
Yes. Diethyl-succinate can be prepared this way, the book claims 90% yield. (While only 70% for diet ...
25-11-2019 at 06:55
by: Pumukli
Announcements of Articles in Progress
[b][size=3]1,3,5-triacetyl-benzene synthesis[/size][/b]
and its evaluation as a potential decarboxy ...
24-11-2019 at 09:59
by: Pumukli
Azeotropic esterifications
Dear Boffis,

I'm glad I could contribute something useful to the knowledgebase of the group. Here ...
24-11-2019 at 05:55
by: Pumukli
How to synthesise Sulfosalicylic acid
Which recipe are you following?

Sulfonating aspirin or sulfonating salycilic acid is not the same ...
24-11-2019 at 04:57
by: Pumukli
Diethylamine hydrochloride - Success!
Why do you think it is "mostly diethylamine hydrochloride"?

You still have the other half of the ...
24-11-2019 at 04:48
by: Pumukli
Methoxy-EthylTryptamine
Maybe Na/EtOH reacted separately /NaOEt in ethanol/ would do the trick.

Edit: On second thought: ...
22-11-2019 at 20:54
by: Pumukli
diethylamine hydrochloride synthesis question.
I'd like to (boldly) say that indefinitely, though I only have 15 months experience. It is still tra ...
22-11-2019 at 20:48
by: Pumukli
Methoxy-EthylTryptamine
Sigmatropic's suggestion is an interesting one. It seems that you can alkylate an amide NH if you us ...
22-11-2019 at 12:48
by: Pumukli
Ethyl benzoate synthesis
If you have a Dean-Stark then benzene probably can be used. Actually the recipes I found used either ...
22-11-2019 at 05:23
by: Pumukli
Dehydrogenation of Diels Alder addition products
I collected some sorbic acid papers during the past years. I was mostly interested in the Diels-Alde ...
21-11-2019 at 09:45
by: Pumukli
Dehydrogenation of Diels Alder addition products
The chemistry of sorbic acid is a long standing question in my mind too! :) It is a fairly cheap and ...
20-11-2019 at 12:00
by: Pumukli
diethylamine hydrochloride synthesis question.
Not to mention that freebases tend to get oxidized and darken more easily than the salts, absorb CO2 ...
19-11-2019 at 10:14
by: Pumukli
diethylamine hydrochloride synthesis question.
Boffis did a nice work on DEET hydrolysis with NaOH a few weeks ago.

What you got is a mixture of ...
19-11-2019 at 00:12
by: Pumukli
Diethylamine Hydrochloride Synthesis
Does it mean that the DEET you used did contain some (5-10%) diethyl-o-toluamide too? Could this be ...
17-11-2019 at 06:24
by: Pumukli
[Next Page]

  Go To Top