Methane 04
Methane 04 : A colorless, odorless and highly flammable gas (the simplest hydrocarbon), which is the major: constituent of natural gas. Heating value of 1009 BTU/cubic foot. CH4; mw 16. 04; density 0. 554 (air = 1); flam lim 5-15%; CAS [74-82-8]. Syn: Marsh gas