PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Epoxybutane, 1,2-; (1,2-Butylene oxide) 106-88-7 3022
15.01
4.01
11.01
8.00
11.00
4.07
2.00
10.00
3.09
3.04
Formula Synonyms
C4H8O 1,2-BUTYLENE OXIDE, (.+-.)-2-ETHYLOXIRANE, (.+-.)-ETHYLOXIRANE, 1,2-BUTENE OXIDE, 1,2-BUTYLENE EPOXIDE, 1,2-EPOXYBUTANE, 1-BUTENE OXIDE, 1-BUTYLENE OXIDE, 2-ETHYLOXIRANE, ALPHA-BUTYLENE OXIDE, BUTANE, 1,2-EPOXY-, BUTENE 1,2-EPOXIDE, BUTYLENE OXIDE, DL-1,2-EPOXYBUTANE, EPOXYBUTANE, ETHYLETHYLENE OXIDE, ETHYLOXIRANE, NCI-C55527, 1,2-BUTYLENE OXIDE, STABILIZED,
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
72.12 L -150 63.3 180 25 0.8312 @ 20°C 17000
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
72ₐ 140ₐ 330ₐ
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
210 410 970
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.