Synonyms: 1-Chloro-1,1-difluoroethane, Freon 142b; Freon 142; Difluoro-1-chloroethane; 1,1-Difluoro-1-chloroethane; R-142b

CAS No.: 75-68-3

Molecular Weight: 100.50

Molecular Formula: C2H3ClF2

Structural Formula:

b.p. (1 atm): -9.2°C

Density (30°C): 1.096g/cm3

Critical T.: 137.1°C

Critical P.: 4.12 mPa

Critical Density: 0.435g/cm3

ODP: 0.06

GWP: 0.36

Application

HCFC-142b is mainly used as refrigerant under high temperature and component of blend refrigerant

Specification

Item

Specification

HCFC-142b purity, %
99.5 min

moisture, mg/kg

20 max

acidity, ppm 1 max

nonvolatile residues 100 mg/kg max

appearance clear colorless liquid with slight ethereal odor

Standard Packing

30lbs, 50lbs, 40kgs, 400kgs cylinders

Risks and Safety Info