Dichlorodifluoromethane

R12, difluorodichloromethane, fluorocarbon 12, Freon® 12, Genetron® 12, Halon® 122, propellant 12, Refrigerant 12

How to detect Dichlorodifluoromethane

Formula: CCl2F2 | CAS: 75-71-8

Synonyms: R12, difluorodichloromethane, fluorocarbon 12, Freon® 12, Genetron® 12, Halon® 122, propellant 12, Refrigerant 12

Specification

SpecificationValue/Information
FormulaCCl2F2
CAS no.75-71-8
Gas Response Factor, 11.7 eVZR
Gas Response Factor, 10.6 eVZR
Gas Response Factor, 10.0 eVZR
ppm per mg/m⁻³, (20 °C, 1 bar)0.199
Molecular Weight, g/mole121.0
Melting point, °C157.8
Boiling point, °C-30
Flash point, °C-
Lower Explosive Limit, %-
SpecificationValue/Information
Density, g.cm⁻³1.35
Ionisation Energy, eV11.75
EH40 TWA, ppm1000
EH40 TWA, mg.m⁻³5030
EH40 STEL, ppm1250
EH40 STEL, mg.m⁻³6280
NIOSH TWA REL, ppm1000
NIOSH TWA REL, mg.m⁻³4950
NIOSH IDLH, ppm15000
OSHA TWA PEL, ppm1000
OSHA TWA PEL, mg.m⁻³4950

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