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beta-Propiolactone

CAS Number

57-57-8

Synonym

Betaprone; BPL; Hydroacrylic acid, beta-lactone; 2-Oxetanone; Oxetan-2-one; 3-Propiolacetone; Propanolide; Propiolactone; 3-Propiolactone; Beta-proprolactone

Occurrence/Use

Chemical intermediate in chemical synthesis; medicine (disinfectant for vaccines, tissue grafts, blood plasma, etc.)

Cancer Potency Information

Latest Criteria: 
Proposition 65 NSRLs/MADLs
Inhalation Unit Risk (μg/cubic meter)-1: 
4.0 E-3
Inhalation Slope Factor (mg/kg-day)-1: 
1.4 E+1
Oral Slope Factor (mg/kg-day)-1: 
1.4 E+1
Comments/References: 

Proposition 65

Chemical Status

Cancer: 
Currently listed

Cancer

Listed as causing: 
Cancer
Date of Listing: 
01/01/1988
Basis for Listing: 
State's Qualified Experts

Safe Harbor Levels

Cancer
No Significant Risk Level (NSRL): 
0.05 µg/day
Last NSRL/MADL Revision: 
1992

Documents, Presentations, and Publications

Cancer: