1,1-Difluoroethane(HFC-152a) is a gas at room temperature, but turns to be colorless and transparent liquid under the pressure created by itself. It dissolves in oil easily but in water difficulty, it is mainly used as refrigerant, intermediate of refrigerant and raw materials of fluororubbers.
Physical Properties :
Formula: CH3-CHF2
Boiling Point (): -24.7
Critical Temperature (): 113.5
Critical Pressure KPa: 6160
Density kg/m 3 : 912
Evaporation heat (b.p) (Kj/kg): 324.2
Specification :
Appearance: Colorless and Transparent
Odor: Odorless
Purity (%): 99.9
Moisture (%): 0.001
Acidity (HCl%): 0.0001
Residue (%): 0.01
Package and Storage :
Steel cylinders. Should be stored in dry, ventilated place, and kept away from sunlight or rain.
Tetrafluoroethane R134A,Mainly it is a substitute of R12.
R134A Typical Properties:
Molecular weight: 102.03
BP: -26.1
Ice point: -
Critical temperature: 101.1
Critical pressure: Mpa4.07
Density of saturated liquid25 ,(g/cm3): 1.207
Specific heat of liquid 25 ,[KJ/(Kg)]: 1.51
Solubility(water,25 )%: 0.15
ODP: 0.000
GWP: 0.29
Critical density,g/cm3: 0.512
Vaporization heat under BP,KJ/Kg: 215.0
R134A Package and Storage
Disposable steel cylinder 30LB/13.6kg, refillable steel cylinder 12L,14.3L, steel cylinder 400L,800L,926L,ISO tank
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