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Most toxic compound OTC?
[rquote=644748&tid=155450&author=garphield]in terms of what has the lowest ld50 definitely a ...
17-9-2020 at 17:52
by: karlos³
Is it too much to ask to wear a mask?
As far as I've read, the mandatory mask wearing in china was very good training regarding the improv ...
17-9-2020 at 17:45
by: karlos³
Is it too much to ask to wear a mask?
I have a good doctor who wrote me a medical certificate and I don't need to wear any fucking mask ev ...
16-9-2020 at 10:48
by: karlos³
any recommendations for a gas chromatograph machine?
I tell that one ami friend tomorrow if he wants to earn a buck with your analytical work.
He just s ...
14-9-2020 at 14:08
by: karlos³
The Short Questions Thread (4)
[rquote=644515&tid=25055&author=paulll]Has anybody ever heard of such a thing as a spring-lo ...
12-9-2020 at 22:42
by: karlos³
Collection of bromine preps
A good choice that I used for in-situ chlorine preparation for N-chlorosaccharin that works also wel ...
10-9-2020 at 08:03
by: karlos³
Blanc chloromethylation employing iodine
[rquote=644358&tid=156134&author=ArbuzToWoda]there's TheVespiary (very lovely, engaged moder ...
8-9-2020 at 15:22
by: karlos³
Blanc chloromethylation employing iodine
Next time just write "omg" so I don't have to activate the translator engine :P

[Edited on 7-9-2020 ...
7-9-2020 at 12:54
by: karlos³
Can you only dry 3A Molecular Sieves in the Microwave? (OTC)
You can always put a beaker(or plain drinking glass) filled with water in one of the edges, not on t ...
5-9-2020 at 15:20
by: karlos³
Blanc chloromethylation employing iodine
Can you get trimethyl phosphate? This works very good and is cheap and nonsuspicious.
Although I ne ...
5-9-2020 at 13:13
by: karlos³
Blanc chloromethylation employing iodine
The kornblum STINKS, I wouldn't want to use any DMSO based method ever again after my own and only e ...
5-9-2020 at 12:10
by: karlos³
Blanc chloromethylation employing iodine
From wikipedia: "The corresponding fluoromethylation, bromomethylation and iodomethylation reactions ...
5-9-2020 at 11:29
by: karlos³
Anyone else having horrible shipping delays, or is my package lost?
Eh, don't worry, Krumpholz is twice to 3x as expensive as china and usually takes 3-4x as long to de ...
4-9-2020 at 11:10
by: karlos³
A few questions
Ah I see, your google is again not working, or maybe it is blocked on your PC?
Here is your answer ...
3-9-2020 at 16:54
by: karlos³
Strange explosive vapor. I call (Poppy gas) named as a kid
I don't know the proper name in englisch, its called "chlorknallgas" in german(="chlorine bang gas" ...
3-9-2020 at 11:29
by: karlos³
Steven's Rearrangement - Alternative strong bases to NaNH2
I've got another possible alternative as a strong base: KOH in DMSO!
Stronger basicity that t-BuOK ...
3-9-2020 at 08:31
by: karlos³
Notation
The one if a half equivalent of the normal diatomic oxygen, the other, one eq. of singlet or monoato ...
2-9-2020 at 13:20
by: karlos³
Best place to get glassware in Germany?
I don't think that the glass from neubert(yes I own some from them) is "gründlicher" as the stuff y ...
2-9-2020 at 11:19
by: karlos³
How dangerous are vacuum distillations really?
In short? Not very dangerous.
However if you jump into it like an idiot, you can hurt yourself.
Bu ...
31-8-2020 at 14:14
by: karlos³
Reduction of nitroalkenes to nitroalkanes
[rquote=643989&tid=156114&author=njl]Also karlos https://erowid.org/archive/rhodium/chemistr ...
31-8-2020 at 13:34
by: karlos³
Reduction of nitroalkenes to nitroalkanes
Well, the reduction of nitropropenes with Fe or Zn will result in the oxime, and then in their hydro ...
31-8-2020 at 11:01
by: karlos³
Reduction of nitroalkenes to nitroalkanes
Is your target the amine though?
Then use the novel one-pot method with NaBH4/CuCl2, it replaced th ...
31-8-2020 at 10:00
by: karlos³
How fast does Diethyl Ether form Peroxides? Reuse Ether Indefinitely
Put some copper wire or such into it, this prevents formation of peroxides.
31-8-2020 at 03:10
by: karlos³
Book review...of sorts!
I found the answer in the meantime, very far fetched to call it the cause for his presidency:
So th ...
29-8-2020 at 18:14
by: karlos³
Book review...of sorts!
Its funny how its title became to be "the mushroom who made John F. Kennedy president" in the German ...
28-8-2020 at 16:47
by: karlos³
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