Clean Gas Trifluoromethane

Clean Gas HFC-23 (Clean Gas Trifluoromethane)

Technical Data

Appearance: Colorless and odorless gas UN Number: 1984
CAS Number: 75-46-7 Liquefied gas

* Refer to MSDS for detailed information on the properties and safety of the product.


Purity vol% Min. 99.999
Water volppm Max. 8
Acids as HCl volppm Max. 0.2
Other fluorocarbons volppm Max. 10
Air volppm Max. 20
Particle Max. 0.1μm Max. 60/C.F.


Item 10L cylinder 47L cylinder
Size Inside diameter 140mm 232mm
Height (to the neck portion) 850mm 1370mm
Height (with a protective cap) * 1000mm 1520mm
Loading weight 6kg 20kg
Material Manganese steel (Clean-S-treated)

* Estimated values for when a standard valve is mounted on a standard cylinder. The accuracy of these values is not guaranteed.


Nozzle size Ø22 mm X 14 right-hand threads
Material SUS316L

Physical & Chemical Properties

Item Unit Data
Chemical formula   CHF3
Molecular weight   70.01
Boiling point °C -82.05
°F -115.6
Melting point °C -155
Liquid density (0°C, saturated liquid) kg/L 1.029
Gas density (0°C, saturated liquid) g/L 112.8
Specific gravity (air: 1)   2.417
Critical pressure MPa 4.87
kg/cm2 49.7
Critical temperature °C 25.65
Flammability Not applicable
Toxicity   Not applicable
Latent heat of vaporization (0°C, 1013MPa) kJ/kg 143.4
Maximum permissible concentration (ACGIH) ppm -
Explosive limit (in air)   -

Temperature - Vapor Pressure Curve