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Diazotization of 2,4-Dinitrophenylhydrazine
Phenylhydrazine reacts with nitrous acid or a proxy for it to give phenyl azide. So 2,4-dinitropheny ...
18-7-2017 at 08:11
by: Boffis
Reducing nitroguanidine with dithionite
Aminoguanidine is a strong base but rather susceptable to hydrolysis and I think you need the acidic ...
14-7-2017 at 00:06
by: Boffis
Easy Route to Acetonedicarboxylic acid?
Does anyone know anything about the salts of acetone dicarboxylic acid such as the alkali or alkalin ...
9-7-2017 at 13:46
by: Boffis
Mercury compounds from mercurous iodide
Many years ago I was given a jar of mercurous iodide, it originally contain 1lb (about 450g) of Hg2I ...
15-6-2017 at 08:49
by: Boffis
Morphine acid/base extraction from dried poppy-pods. Please help, I'm stuck!
I hate to disappoint you but morphine is not present in opium poppy seed pods in any significant qua ...
13-6-2017 at 14:36
by: Boffis
2,3-Dibromopropanoic acid from Acrylic acid
OK, I have done a great deal more experimentation on this topic and I am now in the process of writi ...
12-6-2017 at 14:13
by: Boffis
Nitrated Biodiesel?
I can't imagine that the presence of nitrate in the brew would make any difference under such alkali ...
10-6-2017 at 14:05
by: Boffis
Easy Route to Acetonedicarboxylic acid?
@ Sigmatropic, that was effecient! You answered my question before I asked it. This procedure looks ...
8-6-2017 at 01:26
by: Boffis
Easy Route to Acetonedicarboxylic acid?
[rquote=485037&tid=7546&author=Waffles SS]Chemi Pharma provide interesting patent and i thin ...
7-6-2017 at 10:59
by: Boffis
Easy Route to Acetonedicarboxylic acid?
[rquote=420722&tid=7546&author=PHILOU Zrealone]Just thinking out loud:
CH3-CO-CH3 + Cl2 --& ...
7-6-2017 at 10:02
by: Boffis
Sodium Metabisulphite & Magnesium
Zinc reduction produces at least some dithionite. Dithionite is not stable in acid solutions, howeve ...
28-5-2017 at 22:47
by: Boffis
Alternative Synthesis of 2,3-Dichlorosuccinic acid

[quote][quote]For the dichlorosuccinic acid I found literature which uses different processes. Som ...
27-5-2017 at 07:27
by: Boffis
Alternative Synthesis of 2,3-Dichlorosuccinic acid
I presume that when you say "I have been to make 2,3-Dichlorosuccinic acid (dcs) for a while now" yo ...
27-5-2017 at 06:01
by: Boffis
Lead recovery from glass, theory and practic.
The easiest way is to simply melt the glassy with or without a flux and add a reducing agent such as ...
21-5-2017 at 22:30
by: Boffis
Mystery goop: Manganese Carbonate, Hydroxide, or something else? Help!
Tetra, if I understand your description correctly you simply added sodium carbonate to a solution of ...
15-5-2017 at 22:09
by: Boffis
Crown ethers via sulfur mustard?
@clearly_not_atara; that's interesting I had not thought about it like that. It didn't occur to me t ...
9-5-2017 at 09:23
by: Boffis
2,3-Dibromopropanoic acid from Acrylic acid
Well after 2 days at 11-13 C no further crystals appeared to form so I filtered off the crystals at ...
9-5-2017 at 07:26
by: Boffis
Cinnabar reduction to mercury (cold)
This topic has already been discussed on SM and several perfectly servicable methods are described s ...
5-5-2017 at 13:35
by: Boffis
2,3-Dibromopropanoic acid from Acrylic acid
I tried mixing 0.5ml of the thick syrup like liquid with an equal volume of ether, absolute ethanol ...
5-5-2017 at 03:31
by: Boffis
2,3-Dibromopropanoic acid from Acrylic acid
OK quick update on my prelimenary experiment. I mixed approximately 11 ml of acrylic acid (measured ...
4-5-2017 at 12:47
by: Boffis
synthesis of p-nitro-benzaldehyde
The yield of p-nitrotoluene from the nitration of toluene is about 30-35%, the problem is separating ...
3-5-2017 at 13:11
by: Boffis
2,3-Dibromopropanoic acid from Acrylic acid
@ CeReUS, thank you very much that ref. is very very helpful. Since acrylic acid is miscible with ch ...
3-5-2017 at 09:34
by: Boffis
2,3-Dibromopropanoic acid from Acrylic acid
@ AvBaeyer, thankyou for your very helpful comments. The detail with the recrystallisation from dilu ...
3-5-2017 at 01:04
by: Boffis
2,3-Dibromopropanoic acid from Acrylic acid
I want to prepare some 2,3-dibromopropanoic acid. According to the literature (e.g. Richter vol 1) b ...
2-5-2017 at 09:38
by: Boffis
Crown ethers via sulfur mustard?
Why do you have to go through the dichloro-thioether? Can you not convert di-ethyleneglycol into a d ...
29-4-2017 at 08:32
by: Boffis
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