Creosote oil (coal tar)
A brownish oil with a phenolic odor obtained from the distillation of Coal tar. Creosote contains Cresol and other phenolic compounds with approximately 12 to 14% Anthracene. Prior to World War I, anthraquinone dyestuffs were prepared from the anthracene in creosote. Creosote has also been used as an Insecticide, Fungicide, Biocide, and Disinfectant. It is a common wood preservative for railroad ties, telephone poles, marine pilings, and shingles.
Synonyms and Related Terms
creosota (Esp.); créosote (Fr.); creosote oil; liquid pitch oil; tar oil; dead oil of coal tar; heavy oil; anthracene oil
Flammable. Flash point >93 C (>200 F).
Suspected carcinogen. Irritating to skin, eyes and nose. Inhalation or ingestion of high quantities may be toxic.
Physical and Chemical Properties
Soluble in ethanol, benzene and toluene. Insoluble in water.
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 250
- Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
- Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- Wikipedia: http://en.wikipedia.org/wiki/Coal_tar (Accessed Jan. 15, 2006)