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R134a(1,1,1,2-Tetrafluoroethane)
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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.
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