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Stubborn benzophenone Thanks! Also thanks for suggesting that second distillation. I’m always a bit wary, because of the ... |
3-6-2024 at 22:03 by: Keras |
Stubborn benzophenone Well, I’m not sure what happened.
I stored the redistilled benzophenone in the same vial I used ... |
3-6-2024 at 11:29 by: Keras |
Stubborn benzophenone [rquote=693391&tid=160355&author=bnull]Did you distill it again?
[/rquote]
No. I didn't ... |
2-6-2024 at 22:38 by: Keras |
Sodium benzoate + ammonium chloride → Ammonium benzoate + Salt? Besides, I suddenly realised I could sacrifice a small part of my benzoyl chloride to make benzamide ... |
2-6-2024 at 11:37 by: Keras |
Stubborn benzophenone [rquote=693368&tid=160355&author=bnull]Dissolve some drops of benzophenone in ethanol or eth ... |
2-6-2024 at 11:31 by: Keras |
Stubborn benzophenone [rquote=693366&tid=160355&author=Sir_Gawain]Try gently scratching the inside of the beaker w ... |
31-5-2024 at 11:50 by: Keras |
Stubborn benzophenone Folks,
I've just made some benzophenone using a Friedels-Craft reaction between benzene and benzo ... |
30-5-2024 at 22:29 by: Keras |
Failed attempts at oxidation of alcohols with DMSO/P2O5 I’ll try the original procedure (the microscale version) with benzyl alcohol later this month and ... |
30-5-2024 at 01:29 by: Keras |
Sodium benzoate + ammonium chloride → Ammonium benzoate + Salt? [rquote=693332&tid=160303&author=bnull][rquote=693326&tid=160303&author=clearly_not_ ... |
29-5-2024 at 11:59 by: Keras |
Sodium benzoate + ammonium chloride → Ammonium benzoate + Salt? Heating benzoic acid with urea is a possibility, but what would be the stoichiometry? |
29-5-2024 at 08:21 by: Keras |
Sodium benzoate + ammonium chloride → Ammonium benzoate + Salt? Yeah, I was thinking about that. Maybe the reversion to benzoic acid is caused by water still presen ... |
29-5-2024 at 03:39 by: Keras |
Sodium benzoate + ammonium chloride → Ammonium benzoate + Salt? Ok, I tried that. 0.55 mol of sodium benzoate and ammonium chloride into a random amount of boiling ... |
29-5-2024 at 01:22 by: Keras |
Mini- (or micro-) hot plate / stirrer All kind of things from refluxing to distillation. The max. capacity of the glassware is 25 mL. |
28-5-2024 at 22:49 by: Keras |
Mini- (or micro-) hot plate / stirrer I think I’ll test the mini (12x12) hot plate / stirrer made by Vevor. It’s Chinese, but at ca. 5 ... |
28-5-2024 at 12:25 by: Keras |
Mini- (or micro-) hot plate / stirrer Well using a large stirrer is somewhat clumsy. To have good stirring you must centre, say, the RBF o ... |
27-5-2024 at 21:29 by: Keras |
Mini- (or micro-) hot plate / stirrer Folks,
does anyone know about very compact/portable hot plate/stirrers, typically for microscale ... |
27-5-2024 at 11:08 by: Keras |
Acetic anhydride preparation [rquote=693281&tid=9&author=greenlight]
@keras, are you sure glacial acetic acid isn't solu ... |
27-5-2024 at 11:05 by: Keras |
n chloro butylamine If you have acetic anhydride, you can use it to produce an actylamine, that you can then chlorinate, ... |
27-5-2024 at 06:51 by: Keras |
Acetic anhydride preparation [rquote=693259&tid=9&author=greenlight]
The only problem is the maximum temperature that ca ... |
27-5-2024 at 00:10 by: Keras |
Acetic anhydride preparation [rquote=693193&tid=9&author=clearly_not_atara]
No, but around three million people (includi ... |
23-5-2024 at 11:42 by: Keras |
Diethylether (sulfuric acid saving method) I’ll try to make 100% phosphoric acid with, say, 25 mL of my 75% bottle and add phosphorus pentoxi ... |
23-5-2024 at 11:12 by: Keras |
Diethylether (sulfuric acid saving method) So I decided to give a go at the standard procedure using a less concentrated sulphuric acid. I took ... |
22-5-2024 at 11:13 by: Keras |
Diethylether (sulfuric acid saving method) [rquote=693141&tid=160329&author=Jenks][rquote=693134&tid=160329&author=Keras]
I al ... |
19-5-2024 at 23:31 by: Keras |
Ketene lamp with blow torches instead of resistive wire [rquote=693129&tid=160333&author=Organikum]Ketene also likes to polymerize to form diketene, ... |
19-5-2024 at 12:17 by: Keras |
Diethylether (sulfuric acid saving method) [rquote=693133&tid=160329&author=Jenks]Phosphoric acid seems to be the obvious alternative t ... |
19-5-2024 at 12:12 by: Keras |
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