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Coal tar is produced through thermal destruction of coal.Its composition varies with the process and type of coal used – lignite, bituminous or anthracite. [13]Coal tar is a mixture of approximately 10,000 chemicals, of which only about 50% have been identified.
Density: 1.0297 g/mL ... aniline dyes are also called coal tar dyes. Structure ... In alkaline solution, azobenzene results, ...
The term creosote has a broad range of definitions depending on the origin of the coal tar oil and end-use of the material. With respect to wood preservatives, the United States Environmental Protection Agency (EPA) considers the term creosote to mean a pesticide for use as a wood preservative meeting the American Wood Protection Association (AWPA) Standards P1/P13 and P2. [6]
Density: 1.034 g /cm 3, liquid at 20 ... m-cresol is traditionally extracted from coal tar, ... polyaniline is cast from a solution of m-cresol to form a polyaniline ...
Strong odor of coal tar or mothballs Density: 1.145 g/cm 3 (15.5 °C) [3] 1.0253 g/cm 3 ... The aromatization of hydroporphyrins has been achieved using a solution of ...
Anthracene is a solid polycyclic aromatic hydrocarbon (PAH) of formula C 14 H 10, consisting of three fused benzene rings. It is a component of coal tar.Anthracene is used in the production of the red dye alizarin and other dyes.
Such ponds are susceptible to disastrous releases, such as the Buffalo Creek flood of 1972 or the Martin County coal slurry spill of 2000, which released over 250 million gallons of coal slurry. [10] Coal slurry can contain hazardous chemicals such as arsenic and mercury and can kill aquatic wildlife, as was the case in the Martin County spill ...
Tar made from coal or petroleum is considered toxic and carcinogenic because of its high benzene content, [citation needed] though coal tar in low concentrations is used as a topical medicine for conditions such as psoriasis. [11] [12] Coal and petroleum tar has a pungent odor. Coal tar is listed at number 1999 in the United Nations list of ...
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