NAME: beta-Propiolactone
IMIS: 2163
CAS: 57-57-8
NIOSH: RTECS RQ7350000
DOT: 1848 29
DESCRIPTION:
Colorless liquid with a slightly sweetish odor.
MW:
72
BP:
Decomposes at -323 F
VP:
3.4 at 25 C
MP:
-28 F
INCOM:
Acetates, halogens, thiocyanates, and thiosulphates
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
Cancer-Suspect Agent 29 CFR 1910.1013
OSHA CONSTRUCTION INDUSTRY PEL:
Carcinogen - See Threshold Limit Value pamphlet, Appendix A (Note 5)
ACGIH TLV:
0.5 ppm; 1.5 mg/m3 TWA; Appendix A3 (Confirmed Animal Carcinogen with
Unknown Relevance to Humans)
NIOSH REL:
Potential Carcinogen, Use CFR 29 1910.1013
Health Factors
NTP:
Suspect Human Carcinogen
IARC:
Group 2B, possibly carcinogenic to humans
SYMPTOM(s):
Skin irritation, blistering, burns; corneal opacity; frequent
urination; dyspnea; hematuria; (carcinogenic)
HEALTH EFFECTS:
Cancer (HE1)
ORGAN:
Kidneys, skin, lungs, eyes
Monitoring
|
Back to Top
