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Refrigerant Grade Methane

R-50 refrigerant, also known as R50, Chinese name methane, English name methane, molecular formula CH4. R50 is a hydrocarbon refrigerant - it has no damage to the ozone layer and has a very small greenhouse effect. It is an environmentally friendly refrigerant today. From an environmental protect...

Release time：2025-04-26

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Refrigerant Grade Methane R50

R-50 refrigerant, also known as R50, Chinese name methane, English name methane, molecular formula CH4. R50 is a hydrocarbon refrigerant - it has no damage to the ozone layer and has a very small greenhouse effect. It is an environmentally friendly refrigerant today. From an environmental protection perspective, almost all countries in the world have no restrictions on the initial installation of R50 refrigerant on new refrigeration equipment and its use during after-sales maintenance.

Product Use

Refrigerant Grade Methane is mainly used to replace R13 and R503 refrigerants in low-temperature or ultra-low-temperature refrigeration equipment; because R50 is flammable, it is usually only used in low-temperature refrigeration equipment with a small amount of liquid, or as a component of low-temperature mixed refrigerant; R50 is compatible with traditional lubricants.

Physical and chemical properties

Name: R-50, HC-50 Chinese name: methane; biogas; methyl hydride; liquefied methane

Full English name: methane

Chemical formula CH4

Standard boiling point -161.5℃

Critical temperature -82.6℃

Critical pressure 4.6MPa (absolute pressure)

Critical density 163kg/m3

Density 0.5547 (air = 1)

Ozone depletion potential (ODP) 0

Global warming potential (GWP, 100 yr) 23

Combustion Flammable

Quality indicators

Purity ≥ 99.9%

Boiling point (1atm/℃) -161.483

Water < 10ppm

Sulfur < 1ppm

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