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- Details for China 1,1,1,2-Tetrafluoroethane
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1,1,1,2-Tetrafluoroethane 811-97-2
Category : Organic chemicals and Derivatives
CAS NO : 811-97-2 EC NO : 212-377-0 MF : C2H2F4 MW : 102.0309 Product description : CAS No.: 811-97-2
Molecular formula: CH2FCF3
Molecular weight: 102
RTECS No.: KI8842500
HS No.: 2903399000
UN No.: 3159
Hazard cargo No.: 22039
IMDG Page: 6103
I.Physicochemical properties:
1. Appearance and property: Colorless transparent heavy liquid, easy to volatile, with special odor.
2. Freezing point : -103°C
3. Boiling point: -26.1°C
4. Liquid weight (D20°): 1.206
5. Solubility: 0.15 G/L (20°C)
6. Critical temperature: 101.1 °C
7. Critical pressure: 4.05MPa.
8. Critical density : 515.3g/cm3
9. Vapor pressure: 666.1KPa (25°C)
10. GWP:0.13
11. ODP: 0
II. Usage
R-134a is the most commonly used low and medium temperature ecological refrigerant, for the excellent performance of HFC-134a, it is the most effective and safe substitute of CFC-12, it is used in the fields using R12 refrigerant, including: refrigerator, water dispenser, automotive air conditioning, dehumidifier, industrial refrigeration, and other equipment, it is also applied in aerial fog propellant, medical aerosol, insecticide propellant, etc.
III. Quality standard
Item Superior
First class
Purity ≥ (m/m) %
99.95
99.90
Acidity (Calculated by HCI) ≤(m/m)ppm
0.1
1
Moisture ≤(m/m)ppm
5
10
Residue after evaporation≤ (v/v) ppm
100
100
Non-condensable gases ≤25°C (v/v) %
1.5
1.5
Chloride content
Qualified
Qualified
Appearance
Colorless transparent liquid
Colorless transparent liquid
IV. Packing, storage and transportation
Hazard rank: 2.2 type gas
Hazard cargo packing mark: 15
Packing type: III
Packing: Can 220g, 250g, 280g, 300g, 340g, 500g, 800g, 1000g; disposable steel cylinder 30lb/13.6kg, 50lb/22.7kg; recycled steel cylinder 400L, 800L, 926L, 1000L; ISO-TANK. Filling ratio is smaller than 1.04Kg/L.Synonyms : norflurane;FC-134a;HFC-134a;R134a; Molecular Structure : 