PAC Database - Detailed Chemical Data

Chemical Identity
Chemical CAS# UN# Health Code Numbers
Chloro-1,1-difluoroethane, 1-; (HCFC-142b) 75-68-3 2517
15.01
15.02
4.08
7.01
11.00
3.08
7.11
7.10
10.00
5.10
Formula Synonyms
C2H3ClF2 1-CHLORO-1,1-DIFLUOROETHANE, 1,1-DIFLUORO-1-CHLOROETHANE, 1-CHLORO-1,1-DIFLUORÉTHANE (DOT FRENCH), 1-CLORO-1,1-DIFLUOROETANO (DOT SPANISH), ALPHA-CHLOROETHYLIDENE FLUORIDE, CFC 142B, CHLORO-1 DIFLUORO-1,1 ÉTHANE (DOT FRENCH), DAIFLON 142B, DYMEL 142, F 142B, FC 142B, FKW 142B, FREON 142B, FRON 142B, GAS REFRIGERANTE R-142B (DOT SPANISH), GAZ RÉFRIGÉRANT R-142B (DOT FRENCH), GENETRON 101, GENETRON 142B, HCFC 142B, HCFC-142B, HFA 142B, R 142B, REFRIGERANT GAS R-142B
Physical Properties
Mol Wt State MP (°C) BP (°C) VP (Hg) VP (°C) SG LEL (ppm)
100.5 G -131 -9.5 2540 25 1.19 62000
PAC Values
PAC Values (Original Units: ppm)
PAC-1 PAC-2 PAC-3
10000ₑ* 15000ₑ* 25000ₑ*
Converted PAC Values (mg/m3)
PAC-1 PAC-2 PAC-3
41000 62000 100000
Technical Basis
No technical basis available
References
Search Again
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.