PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Allene; (1,2-Propadiene) 463-49-0 2200
18.00
14.01
4.01
11.01
14.02
4.05
7.01
8.00
4.07
Formula Synonyms
C3H4 PROPADIENE, INHIBITED, 1,2-PROPADIENE, ALLENE, BIS(METHYLENE)METHANE, DIMETHYLENEMETHANE, PROPADIENE, PROPADIÈNE, STABILISÉ (DOT FRENCH), PROPADIENO, INHIBIDO (DOT SPANISH), SYM-ALLYLENE
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
40.06 G -136 -34.5 1.787
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
230 2500 15000
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
380 4100 25000
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.