Synonyms: 1,1,1-Trifluoroethane; Freon 143a; R143a, HCFC143a

CAS No.: 420-46-2

Molecular Weight: 84.041

Molecular Formula: C2H3F3

Structural Formula:

b.p. (1 atm): -47.75°C

Density (25°C): 1.300g/cm3

Vapor Pressure: 1.247mPa

Critical T.: 73.15°C

Critical P.: 3.834 mPa

Critical Density: 0.455g/cm3

ODP: 0

GWP: 1.1

Application

HCFC-143a can be used as an alternative for R502

Specifications

Item

Specification

HFC143a content, %

99.8 min

moisture, mg/kg

10 max

acidity, ppm 0.1 max

nonvolatile residues 100 mg/kg max

Standard Packing

32kgs/40L, 320kgs/400L steel drum

Risks and Safety Info

Class 2.2, UN, Filling ratio: 0.79