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coal tarA viscous, liquid mixture of hydrocarbon compounds, derived (along with coke) from the destructive distillation of coal.
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coal tarA dark brown to black cementitious material produced by the destructive distillation of bituminous coal.
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coal tarA by-product of the destructive Distillation of Coal used as a topical antieczematic. It is an antipruritic and keratoplastic agent used also in the treatment of Psoriasis and other Skin conditions. O [..]
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coal tarA dark brown to black bituminous material produced by the destructive distillation of coal.
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coal tarA by-product of the destructive distillation of coal used as a topical antieczematic. It is an antipruritic and keratoplastic agent used also in the treatment of psoriasis and other skin conditions. O [..]
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coal tarCoal tar is a principal liquid product resulting from the carbonisation of coal, i.e. the heating of coal in the absence of air at temperatures ranging from about 900º to 1,200ºC (1,650º to 2,200ºF). Many commercially important compounds are derived from coal tar, such as dyestuffs and pigments.
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