From the Wiki
Quote:
Physical properties
Molecular weight range is 100-215 g/mol; specific gravity range is 0.75-0.85 g/cm3; boiling point range is 320-430°F; vapor pressure is < 5 mm Hg (< 5 torr). Naphthas are insoluble in water; colorless (kerosene odor) or red-brown (aromatic odor) liquid; incompatible with strong oxidizers.
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http://en.wikipedia.org/wiki/Naphtha
Should be nice refrence material
For the serious chemists out there, doesn't seem too hard (albeit risky in that talking heads - burning down the house sort of way) a process if one has access to coal or crude oil to DIY a batch thru fractional distilation.
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A Dangerous Book and a darn good read IMHO, to be taken more as a book of verses than a Bible of course,,,