Methane (CH4)

UN1971 Methane, Compressed
UN1972 Methane, Refrigerated Liquid

Methane is a flammable, colorless odorless compressed gas. Methane may be shipped as a non-liquefied compressed gas in high pressure containers or as a (Cryogenic) Refrigerated Liquid.

Product & Packaging Information

PurityCylinder SizeContentsCylinder Pressure 70FStandard Valve Outlet (CGA)
CP
99.5%
300
200
360 scf
300 scf
2400
2265
350
350
UHP 4.0
99.99%
300
200
360 scf
300 scf
2400
2265
350
350

99.999%
300
200
50 L
360 scf
300 scf
445 scf
2400
2265
2940
350
350
350

99.9995%
300
200
50 L
360 scf
300 scf
445 scf
2400
2265
2940
350
350
350

Product Data
Molecular Weight16.04
Specific Volume24.1 cf / lb @ 70F
Compressed Density @ 1 atm and 70F0.0415 lb / ft³
Density at boiling point3.552 lb / gal @ -259F
Flammability in Air5.0-15% in Air
U.S. D.O.T. Hazard Class2.1
U.S. D.O.T. LabelFlammable Gas
Refrigerant NumberR-50