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HCFC-123
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HCFC-133a
HCFC-141b
HCFC-142b
HCFC-22
HFC-125
HFC-134a
HFC-143a
HFC-152a
HFC-227ea
HFC-23
HFC-236fa
HFC-32
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Welded cylinders

Difluoroethane (HFC-152a)


Identification

Synonyms: Difluoroethane; Ethylidene Difluoride; Freon 152a; R-152a; Fluorocarbon 152a

CAS No.: 75-37-6

Molecular Weight:  66.05

Molecular Formula: C2H4F2

Structural Formula:

b.p. (1 atm): -24.7°C

Density (25°C): 0.901g/cm3

Vapor Pressure: 0.599Mpa

Critical T.: 113.5°C

Critical P.: 45.0 mPa

Critical Density: 0.365g/cm3

ODP: 0

GWP: 0.03

Application

HFC-152a is used in temperature sensing agent, alternative for CFC-12 as refrigerant and aerosol propellant

Specifications

 

Item

Specification

 

First

Second

Third

HFC-152a purity, %

99.9 min

99.8 min

99.5 min

moisture, mg/kg

10 max

10 max

20 max

acidity, ppm

0.1 max

0.1 max

1.0max

nonvolatile residues, mg/kg

100 max

100 max

100 max

noncondensable gas in vapor phase, %

1.5

1.5

1.5

 

Standard Packing

740kgs/cylinder,  9.62mt/20' FCL

Risks and Safety Info

Flammable gas; Class 2.1; UN1030; Filling ratio 0.79

Copyright 2005 Wanjie International Co., Limited (China)   All rights reserved   Last Updated 26 April, 2007