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

Search
[Next Page]
Pretty Pictures (2)
By the pyridine cheaply.
https://shop.es-drei.de/heterocyclen/163/pyridin-min.-99-5-zur-analyse
ht ...
15-10-2023 at 19:01
by: Fery
Pretty Pictures (2)
[rquote=687945&tid=26378&author=andyloris]@Pumukli, where did you find your procedure for th ...
14-10-2023 at 12:24
by: Fery
Warfarin syntheses
This seems to be a suitable home lab way for warfarin. But only racemic product. For obtaining stere ...
10-10-2023 at 06:27
by: Fery
Nitrous acid scavenger
Aha, the HNO2 catalyzes nitration of some aromatic which I cannot remember from my head. For the alc ...
5-10-2023 at 09:39
by: Fery
Nitrous acid scavenger
I do not know what is 2-EH but small amount of nitrous acid could catalytically speed up some nitrat ...
4-10-2023 at 09:41
by: Fery
Extracting the alkaloid scopolamine from datura stramonium seeds?
https://sci-hub.ee/10.1002/jssc.201000779
Here they used flowers for the extraction. They got 1,1 g ...
17-9-2023 at 20:30
by: Fery
Extracting the alkaloid scopolamine from datura stramonium seeds?
The seeds contain a lot of alkaloids:
https://pubmed.ncbi.nlm.nih.gov/2792973/

[quote]The alkalo ...
13-9-2023 at 20:16
by: Fery
organicchemistrypoland.pl - Where did it go
I buy cheap solvents (methanol, acetone, isopropanol, DMF, DCM) here:
https://sklep-chemland.pl/en/ ...
9-9-2023 at 11:10
by: Fery
1,4-Dioxane from Ethylene Glycol and H2SO4
Certainly remove the water as much as you can. During the reaction use only less of the catalyst, no ...
8-9-2023 at 05:04
by: Fery
Cool glassware
If you heat only moderately so most of the condensate returns back and only little passes into recei ...
21-8-2023 at 20:13
by: Fery
Cool glassware
The difference between b.p. of alfa pinene 156 C and beta pinene 165-167 C is only 10 C. You need al ...
20-8-2023 at 19:00
by: Fery
Non polar/oil soluble copper salts synthesis?
Junk_Enginerd great! I expected similar as preparing Al palmitate/stearate used into napalm. I did t ...
18-8-2023 at 08:43
by: Fery
Solvent for realgar?
CH2I2 is quite expensive, costs more than 50 EUR per 100 g https://sklep-chemland.pl/en/dijodometan- ...
18-8-2023 at 08:35
by: Fery
Non polar/oil soluble copper salts synthesis?
Maybe precipitating Cu soaps like CuSO4 (aq) + Na palmitate/stearate (aq) ?
16-8-2023 at 10:30
by: Fery
Solvent for realgar?
Cannot it be just melted at 320 C in an inert atmosphere (maybe it does not decompose significantly? ...
16-8-2023 at 10:29
by: Fery
Nitroethane synthesis trouble
I found that alanine + KMnO4 gives something else: CO2, oxalic acid, ammonia, nitric acid.

[file ...
15-8-2023 at 01:50
by: Fery
Nitroethane synthesis trouble
You are right, I found that it could be misused as a precursor to illegal drugs, you do not know who ...
14-8-2023 at 10:16
by: Fery
Nitroethane synthesis trouble
Yes these nitroalkanes burn with white flame. Nitroethane has very nice fruity scent. AgNO3 is too e ...
13-8-2023 at 20:54
by: Fery
Nitromethane production
monochloroacetic acid + NaNO2 -> decarboxylation
https://www.orgsyn.org/demo.aspx?prep=CV1P0401
...
10-8-2023 at 09:45
by: Fery
Preparation of cyanogen bromide and a polymethine dye
Diachrynic thanks for useful link!
Concerning thionyl chloride + pyridine I found only this, in one ...
10-8-2023 at 02:38
by: Fery
cas 30272-08-3 source or someone who can produce it?
TCA are practically never used today anymore, patients take newer generations of AD. That explains t ...
9-8-2023 at 20:44
by: Fery
Preparation of cyanogen bromide and a polymethine dye
Diachrynic great !!!
Do you think the reaction could be performed also with thiobarbituric acid? I ...
9-8-2023 at 12:41
by: Fery
Cool glassware
Recently I've bought these Snyder columns cheaply here:
https://sklep-chemland.pl/en/kolumna-vigreu ...
6-8-2023 at 23:56
by: Fery
Strange behaviour in the reaction of calcium carbonate with propionic acid
Maybe this could be helpful:
Propionic acid is a weak acid, there is the reaction:
Ca(CH3CH2COO)2 ...
3-8-2023 at 05:22
by: Fery
Synthesis of thioacetone?
There is also a sideproduct 2,2-propanedithiol. Youtubers very likely smelled this. Cracking trimer ...
30-7-2023 at 20:08
by: Fery
[Next Page]

  Go To Top