Creosote name is derived . The two main kinds recognized in industry are coal-tar creosote and wood-tar creosote. The coal-tar variety, having stronger and more toxic properties, has chiefly been used as a preservative for wood; coal-tar creosote was also formerly used as an escharotic, to burn malignant skin tissue, and in dentistry, to prevent necrosis, before its carcinogenic properties became known. The wood-tar variety has been used for meat preservation, ship treatment, and such medical purposes as an anaesthetic, antiseptic, astringent, expectorant, and laxative, though these have mostly been replaced by modern formulations. Varieties of creosote have also been made
Tar "Burmese Oil" or "Burmese Naphtha", is also a form of petroleum. Oil Sands, almost exclusively produced in Alberta, Canada is colloquially referred to as "Tar Sands" however the oil sands is composed of bitumen. Note, similar heavy crude grades from Venezuela are not referred to as "Tar Sands" by Wikipedia or the environmental community. In Northern Europe, the word "tar" refers primarily to a substance that is derived from the wood and roots of pine. In earlier times it was often used as a water repellent coating for boats, ships, and roofs. It is still used as an additive in