Agent Name | 2,3-Pentanedione |
---|---|
CAS Number | 600-14-6 |
Formula | C5-H8-O2 |
Major Category | Other Classes |
Synonyms | 2,3-Pentadione; Acetyl propionyl; Acetyl propionyl (natural); Acetylpropionyl; [ChemIDplus] UN1224 |
Category | Aliphatic Ketones, Other |
Description | Colorless to dark yellow liquid with a pleasant buttery odor; [Reference #1] Yellow liquid; [Alfa Aesar MSDS] |
Sources/Uses | Used as flavoring agent or adjuvant; [FDA] Used as a substitute for diacetyl in food flavoring and food production; [Reference #1] |
Comments | 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] Danger of skin sensitization; [MAK] A skin and strong eye irritant; [Alfa Aesar MSDS] See "Diacetyl." See "2,4-Pentanedione." |
Reference Link | |
Exposure Assessment | |
MAK | 0.02 ppm |
Vapor Pressure | 21.4 mm Hg |
Odor Threshold Low | 2.0E-5 ppm |
Explanatory Notes | Odor threshold from Reference #1; The Guide in the Emergency Response Guidebook is for "Ketones, liquid, n.o.s." |
Links to Other NLM Databases | |
Toxicity Information | |
Chemical Information | |
Related Information in HazMap | |
Other Information | No other related information on this agent was found. |