Heptane is an organic compound with the molecular formula C7H16, which is a type of alkane. It is a colorless liquid with a slight gasoline smell, flammable, insoluble in water, but soluble in organic solvents.
Heptane has some industrial applications, such as being used as a solvent, fuel, or raw material for synthesizing other chemicals.
Heptane can absorb ultraviolet rays, so it can also be used as a UV absorber, such as in sunscreen or plastic. The function of UV absorbers is to prevent UV damage to the skin or materials, such as sunburn, aging, discoloration, or degradation.