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Odd crystals growing in condenser during BnCN reaction reflux
Ladies and gentlemen... I give you, my first ever vacuum fractional distillation!
[img=846x635]ht ... |
20-11-2021 at 20:15
by: SuperOxide |
Odd crystals growing in condenser during BnCN reaction reflux
[rquote=667544&tid=158102&author=Tsjerk]What did you do differently besides the scaling? I d ... |
20-11-2021 at 11:21
by: SuperOxide |
Odd crystals growing in condenser during BnCN reaction reflux
[rquote=667522&tid=158102&author=Tsjerk]Definitely go for the second, just because it is bet ... |
20-11-2021 at 07:32
by: SuperOxide |
Odd crystals growing in condenser during BnCN reaction reflux
[rquote=667457&tid=158102&author=kmno4]...
But when purified and distilled, BnCN has rather ... |
19-11-2021 at 19:29
by: SuperOxide |
Odd crystals growing in condenser during BnCN reaction reflux
Just an update, when cleaning out the condenser, that stuff wouldn't come off with water, soap/water ... |
18-11-2021 at 21:44
by: SuperOxide |
What happened to NileRed, NurdRage, Chemplayer and Doug?
[rquote=667351&tid=157813&author=stoichiometric_steve][rquote=667348&tid=157813&auth ... |
18-11-2021 at 19:58
by: SuperOxide |
Odd crystals growing in condenser during BnCN reaction reflux
[rquote=667457&tid=158102&author=kmno4]These crystals are surely a sign of impure chemicals ... |
18-11-2021 at 18:10
by: SuperOxide |
Odd crystals growing in condenser during BnCN reaction reflux
[rquote=667443&tid=158102&author=Tsjerk]Did you try to add sieves to the not anymore blue Bn ... |
18-11-2021 at 10:06
by: SuperOxide |
Odd crystals growing in condenser during BnCN reaction reflux
I'm in the middle of making some BnCN at the moment (before anyone asks, I have very good ventilatio ... |
17-11-2021 at 20:42
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
So, knowing that it wasn't the cap, it wasn't the sieves, and the color somehow went away after just ... |
11-11-2021 at 09:53
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
[rquote=667058&tid=158064&author=Triflic Acid]Superoxide, I was thinking that it might have ... |
9-11-2021 at 06:46
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
[rquote=667041&tid=158064&author=S.C. Wack]The color of these here is something, probably in ... |
8-11-2021 at 17:16
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
[rquote=667022&tid=158064&author=Tsjerk]What happens when you add sieves again? It could sti ... |
8-11-2021 at 07:35
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
So it's the next morning - It hasn't changed color at all. Still clear. hmmm.... Very odd. |
8-11-2021 at 06:11
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
So I removed the water layer, neutralized it with sodium carbonate (though I don't think it needed i ... |
7-11-2021 at 12:51
by: SuperOxide |
HEET as a source for methanol
[rquote=666992&tid=7990&author=monolithic]I noticed the same impurity in Heet, but it never ... |
7-11-2021 at 12:32
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
[rquote=666994&tid=158064&author=Triflic Acid]Could be a nitrogen-containing dye, that is re ... |
7-11-2021 at 09:15
by: SuperOxide |
HEET as a source for methanol
[rquote=666990&tid=7990&author=Morgan]Aside from methanol and sometimes nitromethane sold at ... |
7-11-2021 at 07:36
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
Another update... Turns out, I just wasn't patient enough. Letting it sit with some water for a coup ... |
6-11-2021 at 22:17
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
[rquote=666981&tid=158064&author=S.C. Wack]..on that note, if one makes the chloride from st ... |
6-11-2021 at 20:54
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
Actually, I have the time, I just didn't want to deal with the smell tonight, lol.
So here it is, ... |
6-11-2021 at 19:01
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
[rquote=666963&tid=158064&author=SWIM]The stuff left over in the pot was green?
That's a ... |
6-11-2021 at 18:46
by: SuperOxide |
HEET as a source for methanol
I don't like posting in old threads - But I was researching this as well (HEET as MeOH source), beca ... |
6-11-2021 at 12:44
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
[rquote=666970&tid=158064&author=Tsjerk]I wouldn't redo the synthesis before a vacuum distil ... |
6-11-2021 at 07:44
by: SuperOxide |
Fractionally distilled benzyl chloride turns blue overnight
[rquote=666965&tid=158064&author=S.C. Wack]Benzyl chlorides and esp. bromides are not perfec ... |
5-11-2021 at 21:14
by: SuperOxide |
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