N-heptane is mainly used as a standard and solvent for the determination of octane number, and for the preparation of organic synthesis and experimental reagents. N-heptane is one of the most widely used hydrocarbon solvents in industry, which is used as extraction solvent for animal and vegetable oils, quick drying rubber adhesive and rubber solvent. It is also used in the manufacture of cosmetics and as a solvent for cleaning coatings, paints, fast drying inks and parts of printing presses. Industrial grade n-heptane is mostly produced by separation of petroleum fractions, and its purity is low
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