3,4-Epoxy-1-butene
Agent Name
3,4-Epoxy-1-butene
CAS Number
930-22-3
Formula
C4-H6-O
Major Category
Plastics & Rubber
Synonyms
1,2-Epoxybutene; 1,2-Epoxybutene-3; 1,2-Oxido-3-butene; 1,3-Butadiene oxide; 1-Butene, 3,4-epoxy-; 3,4-Epoxybutene; Butadiene epoxide; Butadiene monoepoxide; Butadiene monooxide; Butadiene monoxide; Butadiene oxide; Epoxybutene; Ethenyloxirane; Monoepoxybutadiene; Monoepoxybutene; Oxirane, ethenyl-; Vinylethylene oxide; Vinyloxirane; 1,2-Epoxy-3-butene; 3,4-Epoxybut-1-ene; Oxirane, 2-ethenyl-; [ChemIDplus] UN1993
Category
Other Monomers
Description
Light yellow liquid; [CAMEO] Colorless liquid; [MSDSonline]
Sources/Uses
Used as a comonomer with propylene oxide for polyethers and a reactive diluent for epoxy resins; [HSDB]
Comments
Intraperitoneal LD50 (rat) = 168 mg/kg; [HSDB] An irritant; [MSDSonline]
Biomedical References
Exposure Assessment
Vapor Pressure
154 mm Hg
Explanatory Notes
Flash point < -50 deg C; [HSDB] The Guide in the Emergency Response Guidebook is for "Flammable liquid, n.o.s." VP from ChemIDplus;
NFPA
may ignite at ambient temp
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: