Diepoxybutane
Agent Name
Diepoxybutane
CAS Number
1464-53-5
Formula
C4-H6-O2
Major Category
Plastics & Rubber
Synonyms
1,1'-Bi(ethylene oxide); 1,2:3,4-Butadiene diepoxide; 1,2:3,4-Diepoxybutane; 1,3-Butadiene diepoxide; 2,2'-Bioxirane; Bioxiran; Bioxirane; Butadiendioxyd [German]; Butadiene diepoxide; Butadiene dioxide; Butane diepoxide; CB 1181; Dioxybutadiene; M 8838; R 181; Threitol, 1,2:3,4-dianhydro-; [ChemIDplus] UN2929
Category
Epoxides
Description
Colorless liquid; [CAMEO] Very faintly yellow clear liquid; [MSDSonline]
Sources/Uses
Used for curing polymers, cross-linking textile fibers, and producing erythritol and pharmaceuticals; [HSDB] Used to prevent spoilage; [CAMEO]
Comments
A strong skin and eye irritant; [HSDB] May cause burns; Toxic by ingestion and skin absorption; Very toxic by inhalation; [eChemPortal: ESIS] "Germ cell mutagens that have shown to increase the mutant frequency in the progeny of exposed mammals." [MAK] A severe irritant; May cause burns; May cause burns to the respiratory tract after inhalation; [MSDSonline]
Biomedical References
Exposure Assessment
Vapor Pressure
39 mm Hg
Lethal Concentration
LC50 (rat) = 90 ppm/4h
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Toxic liquid, flammable, n.o.s. (Inhalation Hazard Zone B). VP from ChemIDplus;
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
IARC Carcinogen
Established
NTP Carcinogen
Anticipated human carcinogen
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: