It is a colorless, odorless, flammable gas. It is also known as Freon 31.

CAS no: 593-70-4

Properties

Generic Properties

PropertyValueUnit
Chemical FormulaCH2ClF-
Molecular Weight68.478-
Heat of Combustion5397.4kJ/kg
Boiling Point264.06K
Freezing Point140.16K

Critical Properties

PropertyValueUnit
Critical Temperature424.91K
Critical Pressure51.31bar
Critical Volume158.5cm3/mol
Critical Density0.432g/cm3
Critical Z0.23-
Accentric Factor0.199-

Temperature Dependent Properties

Specific Heat

The specific heat at constant pressure can be calculated with the formula:

ConstantGasLiquid
A12.67486.915
B0.13973-0.036025
C-0.0000887090.00026561
D2.158E-080
E0-
T min(K)298141
T max(K)1000294

Heat of Formation

The heat of formation can be calculated with the formula:

ConstantValue
A-258.34
B-0.028792
C0.000013824
T min(K)298.15
T max (K)1000

Viscosity

The viscosity can be calculated with the formula:

For liquid

For Gas

ConstantGasLiquid
A-11.304-3.849
B0.3979475.14
C-0.0000878030.01
D--0.000015329
T min(K)250192.2
T max(K)1000403.66

Heat of Vaporization

The heat of vaporization can be calculated with the formula:

ConstantValue
A32.899
n0.38
T min(K)140.16
T max(K)424.91

Thermal Conductivity

The thermal conductivity can be calculated with the formula:

ConstantGasLiquid
A-0.00757770.2387
B0.000054323-0.00018611
C5.5546E-09-4.8859E-07
T min(K)250170.16
T max(K)1000354.91

Liquid Density

The Liquid Density can be calculated with the Equation:

ConstantValue
A0.4438
B0.23
n0.2857
T min(K)140.16
T max(K)424.91

Saturation Pressure

The Saturation Pressure can be calculated with the Antoine Equation:

ConstantValue
A7.92235
B1587.64
C324.003
T min(C)-55
T max(C)151.76

Diffusion Coefficient at Infinite Dilution in Water

The Diffusion Coefficient at Infinite Dilution in Water can be calculation:

ConstantValue
A-1.3427
B-1039.005
T Min(K)274
T Max(K)394

Diffusion Coefficient in Air

The Diffusion Coefficient in Air can be calculated with the Equation:

ConstantValue
A-0.06478
B0.00039457
C7.7738E-07
T min(K)200
T max(K)1000
Categories: C