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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]
Larrea tridentata, called creosote bush, greasewood, [2] and chaparral is a medicinal herb. [3] In Sonora, it is more commonly called hediondilla ; [ 4 ] Spanish hediondo = "smelly". It is a flowering plant in the family Zygophyllaceae .
Creosote was the first wood preservative to gain industrial importance more than 150 years ago and it is still widely used today for protection of industrial timber components where long service life is essential. Creosote is a tar-based preservative that is commonly used for utility poles and railroad ties or sleepers.
It is extracted from the dry distillation of wood. The residue remaining in the autoclave vessel is a dark, syrupy mass called creosote, which is composed mainly of phenolic acid and cresylic acid. The original composition of creolin is a creosote tar oil, caustic soda, soaps, and very little water. It is of low technology and a very powerful ...
Coal tar creosote; Wood creosote; Reduction product of vanillin using zinc powder in strong hydrochloric acid (Clemmensen reduction) Found as glycosides in green vanilla beans [2] It is also found in tequila. [3]
Wood science [1] is the scientific ... Railroad wooden ties that are fully impregnated with creosote through a process known as pressure treatment, ...
My body protested this trek through the Sonoran Desert, starting from a trailhead 25 miles outside of the city of Scottsdale, a winding walk along sunbaked paths, past creosote bushes and the ...
[2] [3] It is a type of creosote. It has both medical and industrial uses. [2] [4] Medicinally it is a topical medication applied to skin to treat psoriasis and seborrheic dermatitis . [5] It may be used in combination with ultraviolet light therapy. [5] Industrially it is a railroad tie preservative and used in the surfacing of roads. [6]