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Storage of pine oil and beta pinene.
My both 5 L plastic barrels with alpha pinene are completely without air after few years. Not only O ...
10-3-2025 at 21:24
by: Fery
Simple preparation of chloroacetone - an essay
[file]105371[/file] [file]105373[/file]
9-3-2025 at 10:01
by: Fery
Simple preparation of chloroacetone - an essay
I repeated the same experiment using the same amounts of acetone, water, 35% HCl, 70% Ca(OCl2) and t ...
9-3-2025 at 09:58
by: Fery
phenoxyacetone
kmno4 - great achievement! The scent is unique and pleasant.
Did you add only small (catalytic) amo ...
5-3-2025 at 21:52
by: Fery
Inflated prices
[rquote=698440&tid=160830&author=Nemo_Tenetur]Do you mean laboratoriumdiscounter.nl ? I´ve ...
28-2-2025 at 04:21
by: Fery
phenoxyacetone
Here a method with 90-95% yield:
https://sci-hub.se/10.1021/ja01205a012
[file]105065[/file]
11-2-2025 at 20:50
by: Fery
2-amino-4-methyl-thiazole
I followed the experiment from here at smaller scale:
https://orgsyn.org/demo.aspx?prep=cv2p0031
...
11-2-2025 at 09:59
by: Fery
phenoxyacetone
kmno4 - that looks promising
maybe the reflux part was not necessary and caused only side reactions ...
10-2-2025 at 20:54
by: Fery
phenoxyacetone
kmno4: the yield was only 7,5 grams which is slightly less than 10%. It was made only for checking i ...
7-2-2025 at 07:26
by: Fery
phenoxyacetone
phenol in reaction flask
[file]104947[/file]
phenol reacted with solution of NaOH into so ...
6-2-2025 at 08:32
by: Fery
phenoxyacetone
[url=https://www.sciencemadness.org/whisper/member.php?action=viewpro&member=kmno4]kmno4[/url] p ...
6-2-2025 at 07:24
by: Fery
Simple preparation of chloroacetone - an essay
I tried commercial 70% calcium hypochlorite instead of KMnO4 and 35% HCl instead of mixture of NaCl ...
4-2-2025 at 12:28
by: Fery
Zinc powder in EU
In my country the Zn powder 99% costs 370 CZK = 15 EUR
https://www.kovyachemie.cz/zinek/zinek-pras ...
1-2-2025 at 11:06
by: Fery
Chlorinating Carboxylic Acids
S chlorides are generated in situ and consumed during the reaction. S acts like a catalyst.
30-1-2025 at 10:41
by: Fery
Inflated prices
CCl4 is banned in EU, my friend who is a chemistry company cofounder buys CCl4 from India and pays i ...
15-1-2025 at 09:44
by: Fery
Tertbutylthiol synthesis
You could also consider this way:
https://www.chem.ucalgary.ca/courses/353/Carey5th/Ch15/ch15-6-2.h ...
15-1-2025 at 05:52
by: Fery
Notes on making m-dinitrobenzene
I did the nitration with 67% HNO3 and 98% H2SO4 very long ago and I got some m-dinitrobenzene, just ...
12-1-2025 at 21:52
by: Fery
Belousov–Zhabotinsky Reaction (BZ reaction) - My Results
Wow great! Thanks for sharing! I have never performed the reaction yet and I like your video. Keep u ...
10-1-2025 at 22:10
by: Fery
1-naphthoic acid from 1-acetylnaphthalene (chloroform reaction)
reactants in apparatus
[file]104395[/file]
rapid magnetic stirring to overcome the poor s ...
10-1-2025 at 10:05
by: Fery
1-naphthoic acid from 1-acetylnaphthalene (chloroform reaction)
I did the chloroform reaction with the [url=https://www.sciencemadness.org/whisper/viewthread.php?ti ...
10-1-2025 at 09:45
by: Fery
Phenol + KNO₃ + H₂SO₄ + Cu → ???
You can make orto easily by nitration of phenol and steam distillation... extracting the para from t ...
6-1-2025 at 22:45
by: Fery
Phenol + KNO₃ + H₂SO₄ + Cu → ???
No need Cu cat. In the link I posted there is a method using NaNO3 which could be very likely substi ...
6-1-2025 at 11:33
by: Fery
Phenol + KNO₃ + H₂SO₄ + Cu → ???
Hi Keras, the nitration of fenol runs with diluted HNO3
I did the reaction here:
https://www.scien ...
6-1-2025 at 07:55
by: Fery
Suggestions for using up sodium hypochlorite solution
I recently did the chloroform reaction with [url=https://www.sciencemadness.org/whisper/viewthread.p ...
19-12-2024 at 12:41
by: Fery
acetyl esters of longer chain alcohols by reacting alcohol with acetyl chloride
Keras - I already did esterification in dean stark apparatus dozens of times. I wanted to try also a ...
14-12-2024 at 03:01
by: Fery
[Next Page]
Sciencemadness Discussion Board
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Select A Forum
Fundamentals
» Chemistry in General
» Organic Chemistry
» Beginnings
» Responsible Practices
» Miscellaneous
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» Reagents and Apparatus Acquisition
» Electronics
» Process Engineering
» Materials and Metallurgy
Special Topics
» Analytical Chemistry
» Electrochemistry
» Energetic Materials
» Biochemistry
» Radiochemistry
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Literature and Documentation
» Sciencemadness Wiki
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