Chemical Entity Data Page

Associated gas
Gas, natural
Gas, refinary
Natural gas
Refinary gas
C 1%, H 4%,

estimated elemental composition and molecular weight 
Real, long lived, electronically neutral reagent chemical.

Gram formula weight (molecular mass) = 16.042
Solubility in organics = very soluble

Boiling range: >20°C.

Associated gas is separated from crude oil.

Refinery gas comes from the distillation of crude oil.

'Dry gas' is almost pure methane while 'wet gas' contains appreciable amounts of ethane and propane.
Wikipedia Page:

Natural gas
is defined with respect to the entities below:
The entities below are defined with respect to:
Natural gas
Alkane (AS/A2 generic)

Alkane (generic)

Homogeneous mixture (generic)


© Mark R. Leach 1999 –

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