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Inflated prices
[rquote=698463&tid=160830&author=6dthjd1]Fuming sulfuric acid is always very expensive in my ...
16-1-2025 at 10:52
by: Keras
Inflated prices
[rquote=698440&tid=160830&author=Nemo_Tenetur]Do you mean laboratoriumdiscounter.nl ? I´ve ...
15-1-2025 at 21:56
by: Keras
Inflated prices
Starting this year Laboratorium Discounter sells carbon disulphide for quite a low price. Make it r ...
15-1-2025 at 11:42
by: Keras
Notes on making m-dinitrobenzene
[rquote=698380&tid=160823&author=DraconicAcid]I have very vague memories of an undergraduate ...
13-1-2025 at 21:20
by: Keras
Notes on making m-dinitrobenzene
Product after recrystallisation.
13-1-2025 at 08:49
by: Keras
Notes on making m-dinitrobenzene
Yep I agree, see the document I followed yesterday.

13-1-2025 at 03:21
by: Keras
Notes on making m-dinitrobenzene
Yeah, I didn’t have time to recrystallise it, will do that today.

Nitrosation is not a bad ide ...
12-1-2025 at 22:07
by: Keras
Notes on making m-dinitrobenzene
I need m-dinitrobenzene to synthesise resorcinol by the classical nitro-reduction followed by diazot ...
12-1-2025 at 12:41
by: Keras
Phthalic acid synthesis
I had thought about distilling (or evaporating) acetic acid, but I'd be left with a solid chunk. May ...
10-1-2025 at 08:07
by: Keras
Phthalic acid synthesis
So I tried the oxidation of naphthalene (1.3 g, 10 mmol) dissolved in 20 mL of glacial acetic acid b ...
10-1-2025 at 05:55
by: Keras
Synthesis and Smell of 2-Phenylethyl chloride
I would expect the Br from HBr to add at the 1-position because of rearrangement of the carbocation. ...
10-1-2025 at 02:21
by: Keras
Synthesis and Smell of 2-Phenylethyl chloride
If I can hazard a guess, I would say that phenethyl chloride would hydrolyse to phenethyl ethanol an ...
9-1-2025 at 13:19
by: Keras
Synthesis and Smell of 2-Phenylethyl chloride
Indeed, for 2-phenethylbromide I would start from styrene and brominate with NBS or bromine under UV ...
9-1-2025 at 09:06
by: Keras
Thymol synthesis
[rquote=698219&tid=160776&author=Aqua-regia]No need to complicate it, the process is much si ...
8-1-2025 at 01:51
by: Keras
Can someone explain how this "Distilling Adapter" works?
This looks like a very-short version of a Dean-Stark apparatus, really.
7-1-2025 at 06:11
by: Keras
Thymol synthesis
I suppose you can prepare p-cymene by F-C alkylation of toluene under large excess with 2-chloroprop ...
6-1-2025 at 23:34
by: Keras
Phenol + KNO₃ + H₂SO₄ + Cu → ???
[rquote=698202&tid=160802&author=Fery]You can make orto easily by nitration of phenol and st ...
6-1-2025 at 23:01
by: Keras
Phenol + KNO₃ + H₂SO₄ + Cu → ???
@Boffis: Interesting, I hadn’t thought about that, though I suspected that copper, attacked by nit ...
6-1-2025 at 22:18
by: Keras
Phenol + KNO₃ + H₂SO₄ + Cu → ???
[rquote=698187&tid=160802&author=Fery][…]The yield is about 40 grams each of the ortho-nit ...
6-1-2025 at 13:09
by: Keras
Phenol + KNO₃ + H₂SO₄ + Cu → ???
Yeah, that might be it. I will redo the experiment on a somewhat larger scale, because it was nano-s ...
6-1-2025 at 08:41
by: Keras
Phenol + KNO₃ + H₂SO₄ + Cu → ???
Folks,

I was (somewhat naively) attempting this morning to nitrate phenol using 37% diluted sulph ...
6-1-2025 at 04:01
by: Keras
Thymol synthesis
[rquote=698143&tid=160776&author=Boffis]@ Keras. May I ask why you want to prepare thymol? I ...
5-1-2025 at 22:28
by: Keras
Thymol synthesis
Yeah you’re right, I’m mixing up two projects. The resorcinol is for making fluoresceine. :)

...
5-1-2025 at 13:08
by: Keras
Thymol synthesis
[rquote=698128&tid=160776&author=Aqua-regia]use Friedel-Crafts alkylating reaction: solvent ...
5-1-2025 at 11:56
by: Keras
Thymol synthesis
No thanks for the pointer.
I always give the Internet Archive a few bucks every year because they d ...
4-1-2025 at 06:04
by: Keras
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