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Identification

Synonyms: 1,1,1,2,2-Pentafluoroethane (IUPAC); Hydrofluorocarbon 125;  R-125; FC-125

De: Pentafluorethan   ES: Pentafluoroetano   Fr: Pentafluoroéthane

CAS No.: 354-33-6   EC No: 206-557-8   RTECS No.: KI6365000

Molecular Weight:  120.022

Molecular Formula: C2HF5

b.p. (1 atm): -48.45°C

m.p.: -103°C

ODP: 0

GWP: 3400 (CO2=1)

Chemical and Physical properties: Stable in normal condition, HFC-125 is odorless, colorless, electrically non-conductive, non-corrosive, and leaves no residue

Preparation:

HFC-125 (pentafluoroethane) is made by process of gas-phase fluoridation between perchloroethylene (PCE) and hydrofluoric acid (HF). The intermediates of reaction are HCFC-123 and HCFC-124

Application

1) With zero ODP, HFC-125 is mainly used as a component of azeotropic blend refrigerant such as R-404a, R-407a, R-407b, R-407c, R-407d, R-410a and R410b (for more information, please see …).

2) HFC-125 is also used in clean agent fire suppression system in enclosed space with situations where water from a fire sprinkler would damage expensive equipment or where water-based fire protection is impractical, such as museums, banks, clean rooms and hospitals. It is altenative for CFC-502, Halon-1211 and Halon-1301

Specification 

 Standard Packaging

790kg, 870kgs net/steel cylinder; ISO Tank

Risks and Safety Info

UN 3220. Class 2.2 PG unknown

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Do not heat above 52°C (125°F).

For other information, please see MSDS