Boiling point(n.a.p)，⁰C

-40.8

Freezing point，°C

-160

Density of liquid, ( 25°C)，kg/L

1.194

Density of saturated vapour ( at boiling point)，kg/m³

4.82

Vapour pressure, ( 25°C )，MPa

1.04

Critical temperature, °C

96

Critical pressure, MPa

4.98

Critical density，kg/L

0.525

Latent heat of vapourization ( at boiling point)，kJ / kg

233.5

Thermal conductivity (25°C)，liquid, W / (m.K)

0.090

                                       vapour, W / ( m-K)

0.0012

Specific heat of liquid, ( 25°C )，kJ / (kg.K)

1.40

Specific heat of vapour (n.a.p，25°C ) kJ / (kg-K)

0.636

Solubility, gas in water (n.a.p, 25°C )，％ (mass)

0.30

Ozone Depletion Potential

0.055

Global Warming Potential

1700

Excellent

First

Purity,%by mass，≥

99.9

99.6

99.95

Water,%by mass，≥

0.0010

0.0030

0.0020

Acidity(HCl),%by mass,≥

0.00001

0.0001

0.0001

High boiling residue,%by mass，≥

0.010

Chloeide

Pass(no visible turbidity)

Non condensable gas(25^cC),%by volume，≤

1.5

0₂ in vapour phase(25^cC)%,%by volume，≤

0.005

Note:type I is used for refrigerant