hodges
National Hazard
Posts: 525
Registered: 17-12-2003
Location: Midwest
Member Is Offline
|
|
Smell of Acetaldehyde - What Products?
Every time I make acetaldehyde the smell reminds me of the inside of a house under construction. It smells like some kind of caulk or paint or
something similar. I'm assuming there must be acetaldehyde present (dissolved) or produced from some types of indoor construction products. Does
anyone know which?
Hodges
|
|
DJF90
International Hazard
Posts: 2266
Registered: 15-12-2007
Location: At the bench
Member Is Offline
Mood: No Mood
|
|
Acetic acid is present in silicone sealant/caulking as a setting agent. Thats about as close as I can think to acetaldehyde, which may be contaminated
with small quantities of AcOH if you;re making it yourself.
|
|
kclo4
National Hazard
Posts: 916
Registered: 11-12-2004
Location:
Member Is Offline
Mood: No Mood
|
|
DAP latex caulk contains acetaldehyde.
So there you go!
|
|
Klute
International Hazard
Posts: 1378
Registered: 18-10-2006
Location: France
Member Is Offline
Mood: No Mood
|
|
Just curious, how do you make acetaldehyde? Chromium oxidants? Or a more elaborate method?
\"You can battle with a demon, you can embrace a demon; what the hell can you do with a fucking spiritual computer?\"
-Alice Parr
|
|
kclo4
National Hazard
Posts: 916
Registered: 11-12-2004
Location:
Member Is Offline
Mood: No Mood
|
|
I can smell acetaldehyde when ethanol is added to a manganese persulfate solution. I think this would be a good way to get acetaldehyde, but I think
most people use chromium oxidants with ethanol.
|
|
Sedit
International Hazard
Posts: 1939
Registered: 23-11-2008
Member Is Offline
Mood: Manic Expressive
|
|
I too have experianced this but have never had the ability to isolate any formed acetaldahyde. I would think that MAA oxidiser should work equaly as
well.
Knowledge is useless to useless people...
"I see a lot of patterns in our behavior as a nation that parallel a lot of other historical processes. The fall of Rome, the fall of Germany — the
fall of the ruling country, the people who think they can do whatever they want without anybody else's consent. I've seen this story
before."~Maynard James Keenan
|
|
hodges
National Hazard
Posts: 525
Registered: 17-12-2003
Location: Midwest
Member Is Offline
|
|
Just the usual Cr(+6) oxidation.
You've probably already seen this, but if acetaldehyde is what you are after this thread has a good discussion of ways to prepare it.
http://www.sciencemadness.org/talk/viewthread.php?tid=55
Hodges
|
|