R125
Update Time:2015-12-11
  

R125

R125is a colorless gas under ordinary temperature and a colorless & transparentliquid under the pressure of itself, used as refrigerants, the vital partof mixed working substances to substitute R502&R22, and as flame-retardantsto substitute Halon-1211 & Halon-1301.

Properties

Index

Unit

R125

Chemical formula

 

CHF2CF3

Molecular weight

g/mol

120.02

Melting point

-102.95

Boiling point

-48.45

Specific gravity (25)

g/cm3

1.245

Vapor pressure (25)

MPa

1.371

Critical temperature

66.05

Critical pressure

MPa

3.592

Critical density

g/cm3

0.571

Vapor heat at boiling point

KJ/kg

165

Water solubility (25)

W%

0.09

Specific heat (25liquid)

KJ/kg.kwh

1.26

ODP

 

0

GWP

 

0.84

 

QualitySpecification

Index

Excellent Grade

Appearance

Colorless , not turbid

Purity % ≥

99.8

Moisture % ≤

0.001

Acidity (as HCl) % ≤

0.00001

Evaporation residue % ≤

0.01

Chlorides(Cl-) test % ≤

0.0003

No condensable gas (V/V) % ≤

1.5

 

Packing760KG/800L,870KG/926Lsteel cylinders or ISO TANK.

PSHS Code 29034599.00, CAS 354-33-6.

 

 

性状用途:

在常温下为无色气体,在自身压力下为无色透明液体。HFC-125可作制冷剂,是混合工质的重要组份,用于替代CFC-502和HCFC-22;作灭火剂用于替代Halon-1211和Halon-1301。

 

物理性质 :

 

单位

HFC-125

分子式

 

CHF2 CF3

分子量

g/mol

120.02

熔点

-102.95

沸点

-48.45

液体密度(25℃)

克/厘米3

1.245

蒸气压 (25℃)

MPa

1.371

临界温度

66.05

临界压力

MPa

3.592

临界密度

克/厘米3

0.571

沸点时蒸发潜热

千焦耳/千克

165

在水中溶解度 (25℃)

W%

0.09

比热 (液体25℃)

千焦耳/千克度

1.26

ODP

 

0

GWP

 

0.84

 

质量指标 :

指标名称

优等品

纯度 ( % ≥)

99.8

水份( % ≤)

0.001

酸度 ( 以HCl计 ) ,( % ≤)

0.00001

蒸发残留物 ( % ≤)

0.01

氯化物(Cl-) ( % ≤)

0.0003

不凝性气体的体积分数 ( % ≤)

1.5

 

  
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