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產品名稱:R142b

Properties and Applications:

Difluorochloroethane (HcFC-142b for short), achromatism under the normal temperature, insipidity, transparent liquid in RT. Commonly be used in the refrigeration system in the high temperature, blend with HFC-22 as the foam, midway of boost of aviation. It can still be used in the temperature- control element as a medium of induction and chemical material.
 

Physical and Chemical Properties:

Molecular weight
100.5
Boiling point under 1.01 3×10 5 Pa, °C
-9.2
Density of liquid at 25°C,g/cm3
1.095
Vapor pressure at 25°C,MPa
0.315
Critical temperature,°C
137.1
Critical pressure,Mpa
4.12
Critical density,g/cm3
0.433
Latent heat of vaporation at bp.,KJ/Kg
223.0
Solubility in water at 25°C,% by weight
0.14
Specific heat, liquid,25°C,KJ/Kg.°C
1.30
Potential value to destruct ozone layer (ODP)
0.08
The coefficient value of global warming (GWP)
540

Package and Storage

40Kg / 40L ; 400Kg / 400L ;

Steel cylinder or ISOTANK
 

Quality Specification

Grade

High purity

Excellent

Purity , % , min

99.95

99.8

Moisture , mg/kg, max

10

10

Acidity , mg/kg, max

0.1

0.1

Nonvolatile residual , mg/kg, max

100

100

Noncondensable gas in vapor phase , %, max

1.5

1.5


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