beta-propiolactone
Identification
| Name | beta-propiolactone |
| CAS Number | 57-57-8 |
| EINECS | 200-340-1 |
| FDA UNII | 6RC3ZT4HB0 |
| Molecular Formula | C3 H4 O2 |
| Molecular Weight | 72.06328000 |
| Nikkaji Number | J2.327B |
| Beilstein | 0001360 |
Regulatory
| FDA Mainterm (IAUFC) | 57-57-8 ; PROPIOLACTONE |
Physical Properties
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Specific Gravity | 1.14600 @ 25.00 °C. |
| Flash Point | 158.00 °F. TCC ( 70.00 °C. ) |
| Soluble in | water, 3.70E+05 mg/L @ 25 °C (exp) |
No sensory data available
Safety Information
| Oral/Parenteral Toxicity | intraperitoneal-mouse LD50 405 mg/kg |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | inhalation-rat LC50 25 ppm/6H |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | indirect food additives: adhesives and components of coatings |
| Recommendation for beta-propiolactone usage levels up to | not for fragrance use. |
| Recommendation for beta-propiolactone flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
betaprone
hydracrylic acid beta-lactone
3-
hydroxypropionic acid lactone
oxetan-2-one
2-
oxetanone
beta-
propanoic acid lactone
3-
propanolide
3-
propiolactone
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