Ethylene (C2H4)

UN1962 Ethylene, Compressed
UN1038 Ethylene, Refrigerated Liquid

Ethylene is a colorless, flammable gas with a faint odor that is sweet and musty. Ethylene is compressed to high pressure but may also be present as a liquid depending on cylinder pressure and ambient temperature.Ethylene may also be shipped as a cyrogenic liquid at -154.8F.

Product & Packaging Information

PurityCylinder SizeContentsCylinder Pressure 70FStandard Valve Outlet (CGA)
CP
99.5%
300
200
37 lb
30 lb
1200
1200
350
350
Polymer
99.9%
300
200
37 lb
30 lb
1200
1200
350
350
99.99%300
200
37 lb
30 lb
1200
1200
350
350
99.999%300
200
37 lb
30 lb
1200
1200
350
350
99.9995%300
200
37 lb
30 lb
1200
1200
350
350

Product Data
Molecular Weight28.05
Specific Volume13.7 cf / lb @ 70F
Compressed Density @ 1 atm and 70F0.0725 lb / ft³
Density at boiling point4.71 lb / gal @ -154.8F
Flammability in Air2.7-36% in Air
U.S. D.O.T. Hazard Class2.1
U.S. D.O.T. LabelFlammable Gas
Refrigerant NumberR-1150