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R32

Update Time:2015-12-11
  

R32

R32is a colorless gas under ordinary temperature and a colorless & transparentliquid under the pressure of itself. It is mainly used as refrigerant which isthe vital part to substitute R22. R32 is also an important component ofblend refrigerant R407C and R410a. .

Properties

Index

Unit

R32

Chemical formula

 

CH2F2

Molecular weight

g/mol

52.02

Freezing point

-136

Boiling point

-51.7

Specific gravity (25 liquid)

g/cm3

0.958

Vapor pressure (25)

MPa

1.689

Critical temperature

78.10

Critical pressure

MPa

5.808

Critical density

g/cm3

0.424

Water solubility (25)

W%

0.44

ODP

 

0

GWP

 

0.11

 

QualitySpecification

Index

Excellent Grade

Appearance

Colorless , not turbid

Odor

No strange stench

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

 

Packing 670KG/800L,780KG/926Lsteel cylinders, orISO TANK.

PSHS Code 29034200.00

 

 

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,用作制冷剂,是替代R22的重要组分,是混合制冷剂R407C、R410a的主要组成部分之一。

 

物理性质 :

 

单位

HFC-32

分子式

 

CH2F2

分子量

g/mol

52.02

冰点

-136

沸点

-51.7

液体密度(25℃)

克/厘米3

0.958

蒸气压 (25℃)

MPa

1.689

临界温度

78.10

临界压力

MPa

5.808

临界密度

克/厘米3

0.424

在水中溶解度 (25℃)

W%

0.44

ODP

 

0

GWP

 

0.11

 

质量指标 :

指标名称

优等品

外观

无色、不浑浊

气味

无异臭

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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Fotech is a professional supplier and manufacturer of refrigerants and fluorine polymers over 20 years, distributing environmental friendly refrigerant, clean agent fire extinguishing agent, blowing agent, cleaning agent, and high performance new chemical materials...more>