PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Halon 1211; (Bromochlorodifluoromethane) 353-59-3 1974
17.00
7.01
4.05
7.00
4.08
4.01
11.00
8.00
7.11
3.02
Formula Synonyms
BrCClF2 BROMOCHLORODIFLUOROMETHANE, BCF, BROMOCHLORODIFLUOROMÉTHANE (DOT FRENCH), BROMOCLORODIFLUOROMETANO (DOT SPANISH), CHLOROBROMODIFLUOROMETHANE, CHLORODIFLUOROBROMOMETHANE, CHLORODIFLUOROBROMOMÉTHANE (DOT FRENCH), CLORODIFLUOROBROMOMETANO (DOT SPANISH), DAIFLON 12B1, DIFLUOROCHLOROBROMOMETHANE, FLUGEX 12B1, FLUOROCARBON 1211, FREON 12B1, GAS REFRIGERANTE R-12B1 (DOT SPANISH), GAZ RÉFRIGÉRANT R-12B1 (DOT FRENCH), HALON 1211, R 12B1, REFRIGERANT GAS R-12B1
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
165.37 G -160.5 -4 2070 25 1.85
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
13 140 1400
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
88 950 9500
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.