Rhodium: As a geologist I couldnt agree more, but as a chemist, if I didnt know anything about hydrocarbons, I would not make that assumption since the equillibrium conditions deep in the earth are quire different from those on the shelf.
Son of Polythene Sam: Ahh, solvents. As for Bestine; products such as that do not generally vary in formula very much. Believe the label, but read the MSDS to get the full story. In most cases heptane is a fine substitute for for hexane. Heptane makes up abou 70% of starting fluid, so save the mother liquor from your startig fluit ether pulls.
And yes, plastics stores are the place for MeCl2, it is used as you said, as an adhesive for solvent-welding acrylic plastics