CAS No.: 75-45-6

Molecular formula: CHCLF₂

Molecular weight: 86.47

RTECS No.: PA63900000

HS No.: 2903710000

UN No.: 1018

Hazard cargo No.: 22039

IMDG page: 2118

I.Physicochemical properties:

1. Appearance and property: Colorless gas.

2. Boiling point: -40.8°C

3. Liquid weight (D25°): 1.19

4. Critical temperature: 96.24 °C

5. Critical pressure: 4.980MPa

6. Critical density : 524.21kg/m³

7. Vapor pressure: 1043.1KPa (25°C)

8. HGWP:0.28

9. GWP:0.17

10. ODP: 0.034 

II. Usage

R22 is the most widely used As the commonly used medium and high temperature refrigerating fluid, R22 is mainly used in household air conditioner, business air conditioner, mobile air conditioner, dehumidifier, refrigeration dryer, marine refrigeration equipment, industrial refrigeration equipment, condensing unit, supermarket showcase, etc. R22 is the raw material in the production of tetrafluoro-ethylene resin and intermediate of extinguishant 1121, it is the important material for the productionof teflon and the intermediate for the production of extinguishant 1211.

III. Quality standard

Item	Superior	First class
Purity ≥ (m/m) %	99.95	99.90
Acidity以 (HCI计) ≤(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: 5

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 1.0.3Kg/L.