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  2. Coal tar - Wikipedia

    en.wikipedia.org/wiki/Coal_tar

    When used in the extemporaneous preparation of topical medications, it is supplied in the form of coal tar topical solution USP, which consists of a 20% w/v solution of coal tar in alcohol, with an additional 5% w/v of polysorbate 80 USP; this must then be diluted in an ointment base, such as petrolatum.

  3. List of UN numbers 1101 to 1200 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_1101_to...

    Coal tar distillates, flammable UN 1137? (UN No. no longer in use) Coal tar distillate (UN No. no longer in use) [1] UN 1138? (UN No. no longer in use) UN 1139: 3: Coating solution (includes surface treatments or coatings used for industrial or other purposes such as vehicle undercoating, drum or barrel lining) UN 1140 to 1141? (UN No.s no ...

  4. Bitumen - Wikipedia

    en.wikipedia.org/wiki/Bitumen

    During the early and mid-20th century, when town gas was produced, coal tar was a readily available byproduct and extensively used as the binder for road aggregates. The addition of coal tar to macadam roads led to the word "tarmac", which is now used in common parlance to refer to road-making materials. However, since the 1970s, when natural ...

  5. m-Cresol - Wikipedia

    en.wikipedia.org/wiki/M-Cresol

    2.35 g/100 ml at 20 °C ... m-cresol is traditionally extracted from coal tar, ... polyaniline is cast from a solution of m-cresol to form a polyaniline film with a ...

  6. Coal gasification - Wikipedia

    en.wikipedia.org/wiki/Coal_gasification

    Coal tar and coal tar sludges are frequently denser than water and are present in the environment as a dense non-aqueous phase liquid. In the UK, a number of former gasworks sites have been redeveloped for residential and other uses (including the Millennium Dome ), being seen as prime developable land within the confines of city boundaries.

  7. Karrick process - Wikipedia

    en.wikipedia.org/wiki/Karrick_process

    In the Karrick process, 1 short ton of coal yields up to 1 barrel of oils and coal tars (12% by weight), and produces 3,000 cubic feet (85 m 3) of rich coal gas and 1,500 pounds (680 kg) of solid smokeless char or semi-coke (for one metric ton, 0.175 m 3 of oils and coal tars, 95 m 3 of gas, and 750 kg of semi-coke).

  8. Carbon black - Wikipedia

    en.wikipedia.org/wiki/Carbon_black

    Worker at carbon black plant, 1942. Carbon black (with subtypes acetylene black, channel black, furnace black, lamp black and thermal black) is a material produced by the incomplete combustion of coal tar, vegetable matter, or petroleum products, including fuel oil, fluid catalytic cracking tar, and ethylene cracking in a limited supply of air.

  9. Wood preservation - Wikipedia

    en.wikipedia.org/wiki/Wood_preservation

    Creosote is a tar-based preservative that is commonly used for utility poles and railroad ties or sleepers. Creosote is one of the oldest wood preservatives, and was originally derived from a wood distillate, but now, virtually all creosote is manufactured from the distillation of coal tar.

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