Difluoromethane

R32, R407c = 52% R134a (C2H2F4), 25% R125 (C2HF5) and 23% R32 (CH2F2), R410a = 50% R32 (CH2F2) and 50% R125 (C2HF5)

How to detect Difluoromethane

Formula: CH2F2 | CAS: 75-10-5

Synonyms: R32, R407c = 52% R134a (C2H2F4), 25% R125 (C2HF5) and 23% R32 (CH2F2), R410a = 50% R32 (CH2F2) and 50% R125 (C2HF5)

Specification

SpecificationValue/Information
FormulaCH2F2
CAS no.75-10-5
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)0.462
Molecular Weight, g/mole52.0
SpecificationValue/Information
Melting point, °C-136
Boiling point, °C-51.6
Flash point, °C-89
Lower Explosive Limit, %27.2
Density, g.cm⁻³1.1
Ionisation Energy, eV12.71

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