PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Hydroxy-4-methyl-2-pentanone, 4-; (Diacetone alcohol) 123-42-2 1148
14.01
11.01
7.01
11.00
8.00
7.00
4.01
4.05
4.10
4.02
Formula Synonyms
C6H12O2 DIACETONE ALCOHOL, 2-HYDROXY-2-METHYL-4-PENTANONE, 2-METHYL-2-PENTANOL-4-ONE, 4-HYDROXY-4-METHYL-2-OXOPENTANE, 4-HYDROXY-4-METHYL-2-PENTANONE, 4-METHYL-4-HYDROXY-2-PENTANONE, ACETONYLDIMETHYLCARBINOL, DIACETONE, DIACETONE ALCOHOL, [COMBUSTIBLE LIQUID LABEL], DIKETONE ALCOHOL, PYRANTON A, TYRANTON
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
116.18 L -44 167.9 1.1 20 0.9306 @ 20°C 18000
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
150 350 2100*
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
710 1700 10000
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.