Crude glycerin contains a significant amount of methanol, water, soaps, salts and glycerol. Crude Glycerine is an impure form of Glycerine and is primarily made as a by-product. Recently the reinvention of biodiesel has created much of the crude glycerine as it is a by-product from the manufacture of biodiesel.

Glycerin vol %                 80 - 88
Methanol Vol %               0.40 - 0.50
Water Vol %                     15 max
Ash/Salts Wt %                3 - 5
Specific Gravity               1.28
pH                                    6 - 8
Appearance                     Amber to Dark