| 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. |
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."
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.