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Heptane
Other Names: Dipropylmethane
Formula: CH3(CH2)5CH3
Sp. Gr.: 0.68
Viscosity: Thin
Remarks: Volatile, colorless liquid; highly flammable; freezing point -90°C / -130°F, b.p. 98°C / 208°F, flash point -1°C / 30°F; soluble in alcohol, ether, chloroform; insoluble in water. Used as a standard for determining octane ratings, as an anesthetic, solvent, etc. Heptane is flammable.
Pump Notes: Cast iron construction is satisfactory. Buna n elastomers are recommended as is a mechanical shaft seal.