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1,4-Dioxane from Ethylene Glycol and H2SO4
[rquote=688970&tid=160001&author=Sir_Gawain]300 mL antifreeze, 30 mL sulfuric acid, 500 mL f ... |
28-11-2023 at 11:11
by: Fery |
1,4-Dioxane from Ethylene Glycol and H2SO4
what was your ratio of ethylene glycol : H2SO4
volume of your flask and volume of reactants? |
28-11-2023 at 01:15
by: Fery |
pseudoionone by Aldol condensation of citral with acetone
apparatus and the start of the reaction
[file]100018[/file]
the start of the reaction vis ... |
27-11-2023 at 11:13
by: Fery |
pseudoionone by Aldol condensation of citral with acetone
wow the thread id is 160000
OK photos.
Distillation of citral
[file]100008[/file] [file]100010 ... |
27-11-2023 at 10:58
by: Fery |
pseudoionone by Aldol condensation of citral with acetone
Various methods could be used, different ratio of reactants (ratio of excess of acetone), catalysts ... |
27-11-2023 at 10:56
by: Fery |
Contaminated 1-indanone sample
It has quite low melting point so it oils out during recrystallization especially if the solvent is ... |
22-11-2023 at 08:20
by: Fery |
Persulfate oxidation? Permanganate
[rquote=688563&tid=159963&author=RU_KLO]to check (test) persulfate as oxidizer[/rquote]
Add ... |
14-11-2023 at 21:06
by: Fery |
Disinfection of rainwater
Alternatives like solar distillation or passing tap water through ion exchange resins (making deioni ... |
4-11-2023 at 04:56
by: Fery |
Mystery Glassware Identification Thread
Also could be used as a fermentation tube.
https://sklep-chemland.pl/en/lejek-fermentacyjny.html |
2-11-2023 at 19:17
by: Fery |
Caffeine (>99% FG) for sale - 1kg
If the caffeine was listed as food grade for consumption by humans then maybe some authorities force ... |
1-11-2023 at 21:18
by: Fery |
Glyoxal Synthesis
Well done BAV Chem! For some reactions you can use directly the adduct of glyoxal with bisulfite lik ... |
1-11-2023 at 08:39
by: Fery |
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 |
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