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beta ionone
Mix 35 g 96% H2SO4 + 15 g glacial acetic acid in 100 ml RBF. It little heats very likely due to smal ... |
11-12-2023 at 08:26
by: Fery |
alpha ionone
Put magnetic stir bar into 100 ml RBF, pour there 70 g 85% H3PO4 (density 1,71 g/ml = 40 ml), cooled ... |
11-12-2023 at 07:43
by: Fery |
alpha and beta ionone by cyclization of pseudoionone
Pseudoionone undergoes cyclization reaction using 85% H3PO4 into alpha ionone and using a mixture of ... |
11-12-2023 at 07:06
by: Fery |
Synthesis of Ethyl ß-Naphtholate (Nerolin)
Hi AvBayer, both have their melting points distinct enough (ethoxy 37-38 C, methoxy 74-75 C) and if ... |
11-12-2023 at 04:52
by: Fery |
Synthesis of Ethyl ß-Naphtholate (Nerolin)
DraconicAcid great! Washing with KOH certainly got rid of unreacted naphthol. So you did a methylati ... |
4-12-2023 at 06:33
by: Fery |
1,4-Dioxane from Ethylene Glycol and H2SO4
I did purity checks of the product by freezing it for half a year in fridge at +4 C, small oscillati ... |
4-12-2023 at 06:12
by: Fery |
1,4-Dioxane from Ethylene Glycol and H2SO4
Do you mean the column attached to the reaction flask or do you mean the first distillation of the a ... |
3-12-2023 at 21:58
by: Fery |
Synthesis of 9,9‘-bianthracene from anthraquinone
Niklas welcome here. Great experiment, beautiful fluorescence!!! |
3-12-2023 at 10:19
by: Fery |
1,4-Dioxane from Ethylene Glycol and H2SO4
Hi Sir_Gawain, maybe the best route would be a continuous method like filling 500 ml RBF with 100 ml ... |
3-12-2023 at 09:52
by: Fery |
pseudoisomethylionone by Aldol condensation of citral with methylethylketone
No way how to assess the purity.
I would like to perform a cyclization in 85% H3PO3 into alfa and ... |
29-11-2023 at 20:47
by: Fery |
pseudoisomethylionone by Aldol condensation of citral with methylethylketone
dry crude product going to be predistilled at water aspirator pump vacuum level
[file]100116[/fi ... |
29-11-2023 at 11:19
by: Fery |
pseudoisomethylionone by Aldol condensation of citral with methylethylketone
This experiment is a variation to this one, just a ketone with one more carbon was used and somethin ... |
29-11-2023 at 10:54
by: Fery |
Preparation of cyanogen bromide and a polymethine dye
Good finding Diachrynic !!! More available route! Interesting that the Na2S2O8 gives that dimer by a ... |
29-11-2023 at 10:08
by: Fery |
1,4-Dioxane from Ethylene Glycol and H2SO4
Everyone repeats the mistakes of former home lab experimenters although everyone sees the consequenc ... |
28-11-2023 at 21:40
by: Fery |
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 |
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