Definition Of Coal Tar
Definition Of Coal Tar. A thick black liquid produced by the destructive distillation of bituminous coal. Tar from tobacco, on the other hand, is a chemical produced during the combustion of tobacco.
Medicinally it is a topical medication applied to skin to treat psoriasis and seborrheic dermatitis (dandruff). ‘this form of creosote, a mixture of chemicals created by distilling coal tar, is toxic in large. One used medicinally (as to treat skin diseases) — see coal tar, juniper tar, pine tar
It May Be Applied To The Affected Area To Treat Psoriasis And Seborrheic Dermatitis (Dandruff).
It may be used in combination with ultraviolet light therapy. It is commonly used to make high solids coatings or paints to provide moisture protection for underground systems like pipelines, water treatment facilities, clarifiers and tanks; It is a solid at room temperature and exhibits a broad softening range instead of a defined melting temperature.
Including Coal Tar, Ammonia, Light Oils, And Coal Gas.
Coal tar, principal liquid product resulting from the carbonization of coal, i.e., the heating of coal in the absence of air, at temperatures ranging from about 900 to 1,200 °c (1,650 to 2,200 °f). Certain preparations of coal tar have long been used to treat various skin conditions, such as eczema, psoriasis, and dandruff. 1 n a tar formed from distillation of bituminous coal;
‘Derived Chiefly From Petroleum And Coal Tar, Aromatic Hydrocarbons Tend To Be Reactive.’.
This section provides other identifiers associated with this substance, including former cas numbers, incorrectly used cas numbers. It has both medical and industrial uses. Tar obtained by distillation of bituminous coal and used especially as an industrial fuel, in making dyes, and in the topical treatment of skin disorders.
It Is A Byproduct Of The Production Of Coke, A Solid Fuel That Contains Mostly Carbon, And Coal Gas.
Petroleum coke (petcoke) is the solid residue obtained in oil refining, which resembles coke but contains too many impurities to be useful in metallurgical applications. A viscous black liquid containing numerous organic compounds that is obtained by the destructive distillation of coal and used as a roofing, waterproofing, and insulating compound and as a raw material for many dyes, drugs, and paints. Coal tar was listed as a known human carcinogen in the first report on carcinogens from the u.s.
Coal Tar Is Derived From Coal.
It contains benzene, naphthalene, phenols, aniline, and many other organic chemicals. A complex combination of aromatic hydrocarbons, phenolic compounds, nitrogen bases and thiophene. Experimental studies have found that application of and exposure to coal tar produce skin tumors and neurological damage.
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