What is normal heptane ,what usage of heptane

N-Heptane (English name n-Heptane) is a colorless, volatile liquid. It is mainly used as a standard for the determination of octane number, and can also be used as an anesthetic, a solvent, a raw material for organic synthesis, and a preparation of an experimental reagent.
Heptane should be Stored in a cool, ventilated warehouse. Keep away from fire and heat. The temperature of the reservoir should not exceed 30 °C. Keep the container sealed. should be kept away from oxidizer, do not store together. Explosion-proof lighting and ventilation facilities are used. It is forbidden to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.