Agent Name

3-Penten-2-one

CAS Number

625-33-2

Formula

C5-H8-O

Major Category

Other Classes

Synonyms

2-Oxo-3-pentene; Ethylidene acetone; Methyl 1-propenyl ketone; Methyl propenyl ketone; [ChemIDplus] Pent-3-en-2-one; [JECFA] UN1992

Category

Aliphatic Ketones, Other

Description

Colorless liquid; [Alfa Aesar MSDS]

Sources/Uses

Used as a flavoring agent; [FDA]

Comments

Dermal LD50 (rabbit) = 500 uL/kg; [RTECS] Safe when used as a flavoring agent in food; [JECFA] An irritant and lachrymator; Harmful by skin absorption; [Alfa Aesar MSDS]

Exposure Assessment
Vapor Pressure

39.1 mm Hg

Lethal Concentration

LCLo (rat) = 250 ppm/4hr

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Flammable liquid, toxic, n.o.s."

Adverse Effects
Lacrimator

Yes

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Other Information

No other related information on this agent was found.