Dichlorodifluoromethane (data page)

This is a data page for dichlorodifluoromethane.

Physical properties

Property	Value
Density (ρ) at -29.8 °C (gas)	6.25 kg.m⁻³
Density (ρ) at 15 °C (gas)	5.11 kg.m⁻³
Triple point temperature (T_t)	-157 °C (116 K)
Triple point pressure (p_t)	10 Pa (0.00010 bar)
Critical temperature (T_c)	112 °C (385 K)
Critical pressure (p_c)	4.170 MPa (41.15 bar)
Critical density (ρ_c)	4.789 mol.l⁻¹
Latent heat of vaporization (l_v)	166.95 kJ.kg⁻¹
Specific heat capacity at constant pressure (C_p) at 30 °C	74 J.mol⁻¹.K⁻¹
Specific heat capacity at constant volume (C_v) at 30 °C	65 J.mol⁻¹.K⁻¹
Heat capacity ratio (κ) at 30 °C	1.138889
Vapor pressure (η) at -20 °C	151 kPa
Vapor pressure (η) at 0 °C	300 kPa
Vapor pressure (η) at 16 °C	500 kPa
Vapor pressure (η) at 20 °C	567 kPa
Vapor pressure (η) at 40 °C	960 kPa
Compressibility Factor (Z) at 21 °C	0.995
Viscosity (μ) at 0 °C	11.68 μPa.s (0.01168 cP)
Thermal conductivity (k) at 0 °C	9.46 mW.m⁻¹.K⁻¹
Ozone depletion potential (ODP)	1.0 (CCl₃F = 1)
Global warming potential (GWP)	8100 (CO₂ = 1)

Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD)

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