6749. Octane

Nomenclature

CAS number: 111-65-9
C8H18; mol wt 114.23.
C 84.12%, H 15.88%.

Description and references

Found in petroleum.

Chemical structure

Properties

Flammable liquid. mp -56.8°. d420 0.7028. bp760 125.6°. nD20 1.39764. Flash pt, open cup: 72°F (22°C). Insol in water. Slightly sol in alcohol; sol in ether; miscible with benzene, petr ether, gasoline. The term “octane rating” is explained under Gasoline.

Caution

Potential symptoms of overexposure are irritation of eyes and nose; drowsiness; dermatitis; aspiration of liquid may cause chemical pneumonia. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 236.