PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Methyl vinyl ketone; (3-Buten-2-one) 78-94-4 1251
11.01
14.01
14.02
4.01
8.00
4.05
7.01
7.00
4.08
11.00
Formula Synonyms
C4H6O METHYL VINYL KETONE, 1-BUTEN-3-ONE, 2-BUTENONE, 3-BUTEN-2-ONE, 3-BUTENE-2-ONE, 3-OXO-1-BUTENE, 3-OXOBUTENE, ACETONE, METHYLENE-, ACETYL ETHYLENE, BUTENONE, DELTA (SUP 3)-2-BUTENONE, DELTA(3)-2-BUTENONE, GAMMA-OXO- ALPHA-BUTYLENE, GAMMA-OXO-ALPHA-BUTYLENE, KETONE, METHYL VINYL, METHYL VINYL KETONE, STABILIZED, METHYLENE ACETONE, METHYLVINYL KETONE, MÉTHYLVINYLCÉTONE (DOT FRENCH), MÉTHYLVINYLCÉTONE, STABILISÉE (DOT FRENCH), METILVINILCETONA (DOT SPANISH), METILVINILCETONA, ESTABILIZADA (DOT SPANISH), UN 1251, VINYL METHYL KETONE
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
70.1 L -7 81.4 152 25 0.86 @ 20°C 21000
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
0.17ₐ 1.2ₐ 2.4ₐ
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
0.49 3.4 6.9
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.