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

Search
The Short Questions Thread (4)
I recently obtained a rather large amount of sodium hypophosphite monohydrate. Does anyone know of a ...
7-8-2016 at 00:20
by: Cryolite.
Electrolysis of alkali metal halides in nonaqueous solvents
I remember reading somewhere (I think BromicAcid's attempt at a sciencemadness home chemistry book) ...
4-8-2016 at 16:56
by: Cryolite.
K4[Fe(CN)6] Making Prussiate of Potash Starting With KNO3
Can you obtain cyanuric acid? This is sold as a pool chlorine controlling chemical. If so, it would ...
2-8-2016 at 22:43
by: Cryolite.
The road to methyl anthranilate
Can you take a density of the nitric acid? There are tables to correlate density and temperature to ...
31-7-2016 at 12:18
by: Cryolite.
The road to methyl anthranilate
I got away with 93% sulfuric acid and 50% nitric acid. I used extra sulfuric acid to help dry the ni ...
31-7-2016 at 09:40
by: Cryolite.
Niacin from nicotine?
How much nicotine is in the solution (I'm assuming e-liquid)? Keep in mind that pure nicotine is rat ...
30-7-2016 at 21:53
by: Cryolite.
The road to methyl anthranilate
Yeah, nitrotoluenes are denser than water.... what you have is probably so contaminated with toluene ...
29-7-2016 at 22:12
by: Cryolite.
The road to methyl anthranilate
I've done this reaction before. Try leaving the bottle of nitrotoluenes in the freezer for 24 hours. ...
29-7-2016 at 20:37
by: Cryolite.
Reagents for the preparation of acid chlorides: pros and cons
That prep is actually in len1's book-- intimately mix dry table salt and phosphorus pentoxide and dr ...
26-7-2016 at 12:38
by: Cryolite.
Kleen-Out Drain Opener 93% H2So4 7% H20?
I actually purchase this brand of drain cleaner. As far as I can tell, it's pretty much pure 93% sul ...
26-7-2016 at 12:31
by: Cryolite.
Reagents for the preparation of acid chlorides: pros and cons
[quote]I've done that reaction, and it can be done with visible light and a catalytic amount of brom ...
21-7-2016 at 13:17
by: Cryolite.
Interest Check: Sodium Dithionite, Na2S2O4 (Sodium Hydrosulfite)
The issue is of course price. Super iron out provides a reasonable source of sodium dithionite (~35% ...
21-7-2016 at 11:09
by: Cryolite.
Reagents for the preparation of acid chlorides: pros and cons
That would work (I believe benzonitrile itself can be made from benzoic acid, urea, and sulfamic aci ...
20-7-2016 at 13:46
by: Cryolite.
Reagents for the preparation of acid chlorides: pros and cons
That method works, but the issue is obtaining benzoyl chloride. It can be made by the partial hydrol ...
19-7-2016 at 14:09
by: Cryolite.
Impasse with Urea
Urea is actually an extremely useful source of solid ammonia in the lab-- it can be used to synthesi ...
18-7-2016 at 12:03
by: Cryolite.
Synthesis of dopamine from protocatechualdehyde
According to https://www.google.com/patents/WO2007020381A2?cl=en , vanillin cyanohydrin can be direc ...
13-7-2016 at 17:07
by: Cryolite.
Another topic about cyanide...
Chemplayer actually did exactly this procedure on some sort of scale, except they used the potassium ...
13-7-2016 at 09:50
by: Cryolite.
Synthesis of dopamine from protocatechualdehyde
While we're at it, why not methyleneate the catechol with DCM in DMSO and use nitroethane instead of ...
12-7-2016 at 16:20
by: Cryolite.
Distillation of Paint Thinner and Parent Problems
Not all of the DCM will come over at exactly 40 C-- there's typically a temperature rise as the dist ...
6-7-2016 at 16:17
by: Cryolite.
Distillation of Paint Thinner and Parent Problems
If all you wanted was the DCM, the separation is almost trivially easy: distill using a hot water ba ...
6-7-2016 at 12:42
by: Cryolite.
Reagents for the preparation of acid chlorides: pros and cons
(forgot my password, waiting for reset email)

There's also www.sciencemadness.org/talk/files.php? ...
28-6-2016 at 16:16
by: Cryolite.

  Go To Top