Properties & Applications:
1,1-Difluoroethane is a gas at room temperature and a colorless transparent liquid under its own pressure. It is easily soluble in oil and insoluble in water. It is mainly used as a refrigerant, a propellant for aerosols, and an important raw material for the synthesis of HCFC-142b.
Physical and Chemical Properties:
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Molecular Formula: CH₃-CHF₂
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Boiling Point (℃): -24.7
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Critical Temperature (℃): 113.5
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Critical Pressure (KPa): 6160
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Liquid Density (kg/m³): 912
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Heat of Vaporization (b.p.) (Kj/kg): 324.2
Quality Indicators:
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Appearance: Colorless transparent liquid, no visible impurities
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Odor: No peculiar smell
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Purity (≥%): 99.9
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Moisture (≤%): 0.001
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Acidity (as HCl, ≤%): 0.0001
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Evaporation Residue (%≤): 0.01
Packaging & Storage:
Packed in steel cylinders. It must be stored in a cool, dry and ventilated place, protected from sunlight and rain.