2,3-Pentadione; Acetyl propionyl; Acetyl propionyl (natural); Acetylpropionyl; [ChemIDplus] UN1224
Aliphatic Ketones, Other
Colorless to dark yellow liquid with a pleasant buttery odor; [Reference #1] Yellow liquid; [Alfa Aesar MSDS]
Used as flavoring agent or adjuvant; [FDA] Used as a substitute for diacetyl in food flavoring and food production; [Reference #1]
A moderate skin irritant; [RTECS] Safe when used as a flavoring agent in food; [JECFA] Due to structural similarities with diacetyl, there are concerns that occupational exposure may lead to a decline in pulmonary function; Airway epithelial damage demonstrated in rats is similar to that caused by diacetyl; [Reference #1] A skin and strong eye irritant; [Alfa Aesar MSDS] See "Diacetyl." See "2,4-Pentanedione."
21.4 mm Hg
|Odor Threshold Low|
Odor threshold from Reference #1; The Guide in the Emergency Response Guidebook is for "Ketones, liquid, n.o.s."
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No other related information on this agent was found.