R22

R22

  

R22

R22is a colorless gas under ordinary temperature and a colorless & transparentliquid under the pressure of itself, Vnon-toxic & inflammable with theexcellent thermo-stability and chemical stability, unable to erode metals andit is a  refrigerant for low temperature to 80below. Used in reciprocating compressor, as refrigerant in industrial,commercial and household air-condition system; Also used to produce insecticideand aerosol for spraying paint; To produce V extinguishing agent 1211; As thebasic material to produce a wide variety of fluorinated macromolecularcompounds.

Properties

Index

Unit

R22

Chemical formula

 

CHClF2

Molecular weight

g/mol

86.5

Freezing point

-146

Boiling point

-40.8

Specific gravity (25 liquid)

g/m3

1.194

Vapor pressure (25)

MPa

1.04

Critical temperature

96

Critical pressure

MPa

4.98

Critical density

g/cm3

1.221

Vapor heat at boiling point

KJ/kg

233.5

Water solubility (25)

W%

0.30

Specific heat (25 liquid )

KJ/kg.k

1.400

ODP

 

0.05

GWP

 

0.03

 

Specification

Appearance

Colorless and clearness

Odor

No strange stench

Purity, % by weight % ≥

99.90

Moisture, ppm by weight% ≤

10

Acidity, ppm by weight % ≤

1

Evaporation residue, ppm by weight % ≤

100

Chlorides(Cl-) test % ≤

0.0003

No condensable gas (V/V) % ≤

1.5

 

Packing13.6kg/22.7kg/950kg netweights  cylinders & ISO tank .

 

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,无毒不燃,具有良好的热稳定性和化学稳定性,不腐蚀金属。它是一种低温制冷剂,可得到﹣80℃的制冷温度,用于往复式压缩机,作为工业、商业、家庭空调系统的制冷剂;还可用来做杀虫剂和喷漆的气雾喷射剂,也可用于生产灭火剂1211;是生产各种含氟高分子化合物的基本原料。

 

物理性质 :

 

单位

HCFC-22

分子式

 

CHClF2

分子量

g/mol

86.5

熔点

-146

沸点

-40.8

液体密度(25℃)

克/厘米3

1.194

蒸气压 (25℃)

MPa

1.04

临界温度

96

临界压力

MPa

4.98

临界密度

克/厘米3

1.221

沸点时蒸发潜热

千焦耳/千克

233.5

在水中溶解度 (25℃)

W%

0.30

比热 (液体25℃)

千焦耳/千克度

1.257

ODP

 

0.05

GWP

 

0.03

 

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