PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Oxirane, ethenyl-; (3,4-Epoxy-1-butene) 930-22-3 1993
15.01
11.01
15.02
7.01
4.07
3.02
5.10
Formula Synonyms
C4-H6-O 1,2-EPOXY-3-BUTENE, (.+-.)-VINYLOXIRANE, 1,2-EPOXYBUTENE-3, 1,2-OXIDO-3-BUTENE, 1,3-BUTADIENE MONOEPOXIDE, 1,3-BUTADIENE MONOOXIDE, 1,3-BUTADIENE OXIDE, 1-BUTENE, 3,4-EPOXY-, 1-BUTENE,3,4-EPOXY-, 2-VINYLOXIRANE, 3,4-EPOXY-1-BUTENE, 3,4-EPOXYBUTENE, BUTADIENE EPOXIDE, BUTADIENE MONOEPOXIDE, BUTADIENE MONOOXIDE, BUTADIENE MONOXIDE, BUTADIENE OXIDE, BUTENE 3,4-EPOXIDE, EPOXYBUTADIENE, ETHENYLOXIRANE, VINYL EPOXIDE, VINYLETHYLENE OXIDE, VINYLOXIRANE
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
70.1 L -135 67 0.869
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
0.35 3.9 23
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
1.0 11 66
Technical Basis
No technical basis available
References
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PAC values marked with a subscript "A" correspond to 60-minute AEGL values.
PAC values marked with a subscript "E" correspond to ERPG values.
PAC values marked by * are >= 10% lower explosive limit (LEL) but < 50% LEL.
PAC values marked by ** are > 50% LEL but < 100% LEL.
PAC values marked by *** are >= LEL.