Product Description

Characteristics & Purposes

It is a colorless gas under ordinary temperatures and a colorless & transparent liquid under the pressure of itself, used as refrigerants, the vital part of mixed working substances to substitute CFC-502 & HCFC-22, and as flame-retardants to substitute Halon-1211 & Halon-1301.

Physical Characteristics

Index, Unit: HFC-125

Chemical formula: CHF2CF3

Molecular weight, g/mol: 120.02

Melting point, o C: -102.95

Boiling point, o C: -48.45

Specific gravity (25o C liquid), g/cm3: 1.245

Vapor pressure (25o C), MPa: 1.371

Critical temperature, o C: 66.05

Critical pressure, MPa: 3.592

Critical density, g/cm3: 0.571

Vaporization heat at boiling point, KJ/kg: 165

Water solubility (25o C), w%: 0.09

Specific heat (25o C liquid), KJ/kg° K: 1.26

ODP: 0

GWP: 2800

Specification

Index Best quality First-class

Purity % ≥ 99.8 99.5

Moisture % ≤ 0.001 0.002

Acidity (as HCl) % ≤ 0.00001 0.0001

Evaporation residue % ≤ 0.01 0.01

Chlorides (Cl-)test % ≤ 0.0003

No condensable gas cubic fraction % ≤: 1.5

Packing: 760kg/800L, 870kg/926L steel cylinders or ISO TANK.

Model NO.:

R125