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Product Name:R152a
Properties and Applications:
Difluoroethane (HFC -152a for short), achromatism under the normal temperature, insipidity, flammability and explosive transparent liquid in RT, mostly used in the replacement of (R12) and (R114)and(R 134a ). It is usually used as a cryogen, inhalator boost and the raw material for fluorin chemicals.
Physical and Chemical Properties:
| Molecular weight |
66.0
|
| Boiling point under 1.01 3×10 5 Pa, °C |
-24.7
|
| Density of liquid at 25°C,g/cm3 |
0.901
|
| Vapor pressure at 25°C,MPa |
0.599
|
| Critical temperature,°C |
113.5
|
| Critical pressure,Mpa |
4.50
|
| Critical density,g/cm3 |
0.365
|
| Latent heat of vaporation at bp.,KJ/Kg |
330.0
|
| Solubility in water at 25°C,% by weight |
0.28
|
| Specific heat, liquid,25°C,KJ/Kg.°C |
1.680
|
| Potential value to destruct ozone layer (ODP) |
0
|
| The coefficient value of global warming (GWP) |
120
|
Package and Storage
320Kg / 400L ; 640Kg / 800L ;
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 |
