| Search |
Synthesis of NaI from KI - how to wash away KOH?
Hi fellow chemists.
I want to do some Finkelstein reactions in acetone but only have potassium io ... |
9-5-2020 at 14:08
by: michalJenco |
Procedure for Coumarin - different product, what is it?
Hi chemists,
I tried to make [url=https://en.wikipedia.org/wiki/Coumarin]coumarin[/url] using the ... |
10-3-2020 at 14:23
by: michalJenco |
Unsuccessful Grignard with PhMgBr - what did I make?
That is an excellent explanation, must be what happened.
Thank you all for the input. |
13-2-2020 at 15:15
by: michalJenco |
Unsuccessful Grignard with PhMgBr - what did I make?
I did, however I am not a 100% sure a small amount did not make it through. If catalytic amounts are ... |
13-2-2020 at 07:10
by: michalJenco |
Unsuccessful Grignard with PhMgBr - what did I make?
So I did the test with bromine water (NaBr with a bit of H2SO4 and H2O2) and the color disappeared i ... |
12-2-2020 at 14:35
by: michalJenco |
Unsuccessful Grignard with PhMgBr - what did I make?
Thank you all for suggestions!
I knew NH4Cl is the official way to go but I just .. hate working ... |
8-2-2020 at 15:09
by: michalJenco |
Unsuccessful Grignard with PhMgBr - what did I make?
So even at the b.p. of ether 40% sulfuric acid dehydrates benzyl alcohols? |
7-2-2020 at 15:39
by: michalJenco |
Unsuccessful Grignard with PhMgBr - what did I make?
Hello chemists,
I wanted to prepare [url=http://www.chemspider.com/Chemical-Structure.11556.html] ... |
7-2-2020 at 15:20
by: michalJenco |
Crystals in solution of butyric acid, ethanol and H2SO4
Damn, that sounds very reasonable Texium! I did fractionate with a 10cm Vigreux column but that migh ... |
7-1-2020 at 12:06
by: michalJenco |
Crystals in solution of butyric acid, ethanol and H2SO4
Yes, all reagents should be pure. Even if not, the two acids came from different suppliers. I distil ... |
6-1-2020 at 10:42
by: michalJenco |
Crystals in solution of butyric acid, ethanol and H2SO4
Hi fellow chemists.
I often prepare my Fischer esterification solutions in advance before the act ... |
5-1-2020 at 13:36
by: michalJenco |
Recycling bromide from Grignard reactions
Hi fellow chemist,
I am currently on a Grignard reaction spree and I wonder if it possible to rec ... |
27-12-2019 at 10:39
by: michalJenco |
Is this synthesis of Diethyl Acetal safe?
Slow addition with cooling seems reasonable, but will the reaction even happen at cold temperatures? |
15-12-2019 at 12:39
by: michalJenco |
Is this synthesis of Diethyl Acetal safe?
Hello fellow chemists.
I'd like to synthesise diethyl acetal and I found [url=https://www.prepche ... |
15-12-2019 at 09:30
by: michalJenco |
Czech amateur chemist found dead in his home(lab)
Although I'm sad for everyone being afraid of chemistry I agree it was an appropriate response, they ... |
12-12-2019 at 13:43
by: michalJenco |
Czech amateur chemist found dead in his home(lab)
I wonder that too. I will keep this thread updated if any new info appears. |
10-12-2019 at 11:50
by: michalJenco |
Czech amateur chemist found dead in his home(lab)
Nobody explicitly said why he died, just that he was laying dead and all around chemicals. Could be ... |
10-12-2019 at 10:24
by: michalJenco |
Czech amateur chemist found dead in his home(lab)
Nobody explicitly said why he died, just that he was laying dead and all around chemicals. Could be ... |
10-12-2019 at 09:42
by: michalJenco |
Czech amateur chemist found dead in his home(lab)
Just wanted to let you all know what happened in Brno, Czech Republic yesterday.
Police discovere ... |
10-12-2019 at 09:27
by: michalJenco |
Why can't I dissolve my CuI in acetonitrile?
[rquote=626475&tid=154451&author=woelen][rquote=626468&tid=154451&author=rockyit98][ ... |
20-11-2019 at 10:14
by: michalJenco |
Why can't I dissolve my CuI in acetonitrile?
Wow, thanks for all the responses! I will answer some of your questions and give you updates.
My ... |
20-11-2019 at 10:02
by: michalJenco |
Why can't I dissolve my CuI in acetonitrile?
Hello chemist friends.
I made some copper iodide by adding solution of potassium iodide to a solu ... |
19-11-2019 at 13:53
by: michalJenco |
Crystals from NaOH + hair + H2O2
That sounds reasonable.
The NaOH solution was close to saturated. I added about 200mg of hair to ... |
3-3-2019 at 14:17
by: michalJenco |
Crystals from NaOH + hair + H2O2
I dissolved some of my hair in hot concentrated NaOH solution and let cool to room temperature. The ... |
3-3-2019 at 13:41
by: michalJenco |
Brown rust-like tin compound - what could it be?
I did a reaction of tin metal with 31% hydrochloric acid. I wanted to speed it up so I heated it to ... |
17-2-2019 at 10:25
by: michalJenco |
