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

[Next Page]
Refluxing paraformaldehyde in methanol for 40-60 minutes is a convenient method for preparing a meth ...
21-3-2015 at 04:42
by: Haber
Impure TCCA - How do I purify it?
Thanks for your replies.

Since I did not know all the impurities in my TCCA I wasnt comfortable w ...
3-3-2015 at 01:51
by: Haber
Impure TCCA - How do I purify it?
I have recently aquired some low grade TCCA (Trichloroisocyanuric acid). According to the data ...
27-2-2015 at 12:04
by: Haber
Preparation Of CuCl And Problems Drying
And an even easier method for preparing CuCl is adding ascorbic acid to a hot solution of CuCl2.
20-2-2015 at 11:29
by: Haber
poor yield - chloroform via haloform reaction
I had to recheck this after your post, it turned out to be 60% calcium hypochlorite.

To ...
10-2-2015 at 10:26
by: Haber
poor yield - chloroform via haloform reaction
[rquote=391109&tid=61486&author=TheChemiKid]Are you sure the bleach is 33%? I haven't heard ...
10-2-2015 at 03:44
by: Haber
Synthesis of Benzocaine
As a rule of thumb, never believe in drug information provided by the school.

OnT: Is PABA avail ...
14-1-2015 at 10:29
by: Haber
Betaine methylation
[rquote=386826&tid=61109&author=Yugen]... [b]the more alkyl groups an amine gets, the easier ...
9-1-2015 at 06:50
by: Haber
Preparation of methyl tosylate, safe methylating agent
[rquote=376503&tid=11004&author=AvBaeyer]Typically, it is better to run these types of alkyl ...
11-12-2014 at 00:23
by: Haber
Preparation of methyl tosylate, safe methylating agent
From the link I posted above:

"Veratric aldehyde, 3-4-dimethoxybenzaldehyde
To 15.2 g vanillin ( ...
9-12-2014 at 00:30
by: Haber
Preparation of methyl tosylate, safe methylating agent

In this thread
O-alkylations usi ...
21-11-2014 at 03:18
by: Haber
uk Ebay seller busted
Nice found Scr0t.

I agree it seems overblown considering they have not been charged with anythin ...
10-11-2014 at 11:01
by: Haber
aromatic amine acetates to amides
Have you read about acetylsalicylic acid as an acetylating agent?
This thread might be of interest ...
9-10-2014 at 05:44
by: Haber
Local Hood for sale, would you grab it without blower?
Wow! Wish I could score a deal like this.
If possible grab more than one, and if your wife argues, ...
7-10-2014 at 23:51
by: Haber
Fighting against spambots, IP banning is not effective
I agree completely with Oxirane.

Or just put a captcha on the registration page! Im not trying to ...
29-9-2014 at 05:55
by: Haber
Nickel Powder
Maybe it would work to reduce nickel ions with ascorbic acid to nanosized nickel powder. I know it w ...
21-9-2014 at 09:36
by: Haber
Tired of reporting spam
Wouldnt a simple catchpa significantly reduce the amount of spam accounts? Pretty much all forums us ...
19-9-2014 at 00:04
by: Haber
The Short Questions Thread (4)
[rquote=332266&tid=25055&author=Haber][rquote=332049&tid=25055&author=Haber]text... ...
27-8-2014 at 01:06
by: Haber
Discontinued reagents
[rquote=337073&tid=31181&author=Magpie]Here's my list of chemicals I would buy right now if ...
5-8-2014 at 02:34
by: Haber
Vacuum pump on ebay suitable for a beginner?
Is there any advantage to use an stage 2 rotary pump instead of an cheaper stage 1 when it comes to ...
22-7-2014 at 12:26
by: Haber
eBay seller deschem
I own some 24/29 glassware from deschem and I haven't had any problems with quality, the parts fit v ...
24-6-2014 at 11:54
by: Haber
Alexander Shulgin has died
A great man however controversial, may he rest in peace.

[Edited on 3-6-2014 by Haber]
3-6-2014 at 10:52
by: Haber
The Short Questions Thread (4)
[rquote=332049&tid=25055&author=Haber]text... [/rquote]
All of the product have now turned ...
25-5-2014 at 03:55
by: Haber
The Short Questions Thread (4)
I recently made some 5-bromovanillin.
It was an in situ bromine method, which was something like th ...
22-5-2014 at 12:27
by: Haber
True Vacuum Pump vs. Water Aspirator

How much vacuum can those pull?
Would you be able to distill high boiling solvents with ...
9-5-2014 at 03:52
by: Haber
[Next Page]

  Go To Top