Grade                  High purity                Excellent               First

Purity, %, min              99.95                   99.8                   99.5

Moisture, mg/Kg, max        10                     10                     20

Molecular weight:99.3

Boiling point under 1.013 105Pa, :-33.5

Density of liquid at 25 ,g/cm³: 1.156

Critical temperature, : 105.5

Critical pressure,Mpa:4.43

Critical density,g/cm³ :0.497

Vapor pressure 25 MPa: 0.769

Specific heat of liquid 25 ,[KJ/(Kg· )]: 1.22

Latent heat of vaporation at bp.,KJ/Kg: 200.8

Solubility in water at 25 ,% by weight:0.076

ODP: 0.7

GWP: 2.1-2.5

Application:
 Temperature sensing agent and Refrigerant

Steel cylinder 40L/40KGnet; 400L/400KG net; 800L/800KG net