Q
R507
A
  

R507

R507is a colorless gas under ordinary temperature, and a colorless &transparent liquid under the pressure of itself,       mixed by R143 and R125. It is the substitute for R502,mainly used in the low temperature refrigerating systems.

Properties

 

Unit

R507

Chemical formula

 

R-143/R-125

Molecular weight

g/mol

98.86

Melting point

-46.7

Critical temperature

70.9

Critical pressure

MPa

3.79

Saturated liquid density (30)

g/cm3

1.06

Critical density

g/cm3

0.5

ODP

 

0

GWP

 

0.96

 

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

 

Packing11.3kg/30p steel cylinders or ISO TANK.

Itmust be kept in cool, dry and well-ventilated places, away from sunshine andrainfall.

 

 

性状用途:

R507混合制冷剂是由R143和R125混合而成,在常温下为无色气体,在自身压力下为无色透明液体,是R502的替代品,主要用于低温制冷系统。

 

 

物理性质 :

 

 单位

 R507

 分子式

 

 R-143/R-125

 分子量

 g/mol

 98.86

 沸点

 

 -46.7

 临界温度

 

 70.9

 临界压力

 MPa

 3.79

 饱和液体密度 (30℃)

 g/cm3

 1.06

 临界密度

 g/cm3

 0.5

 ODP

 

 0

 GWP

 

 0.96

 

质量指标 :

 指标名称

 优等品

 外观

 无色、澄清

 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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