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Phenol (also known as carbolic acid, phenolic acid, or benzenol) is an aromatic organic compound with the molecular formula C 6 H 5 OH. [5] It is a white crystalline solid that is volatile . The molecule consists of a phenyl group ( −C 6 H 5 ) bonded to a hydroxy group ( −OH ).
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 disinfectant. [1]
In 1834, German chemist Friedlieb Ferdinand Runge discovered a phenol, also known as carbolic acid, which he derived in an impure form from coal tar.In August 1865, Joseph Lister applied a piece of lint dipped in carbolic acid solution to the wound of an eleven-year-old boy at Glasgow Royal Infirmary, who had sustained a compound fracture after a cart wheel had passed over his leg.
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]
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It is one of the components of creosote. Compared with phenol, creosol is a less ... Reduction product of vanillin using zinc powder in strong hydrochloric acid ...
Carbolic soap, 19th-century. The original Lysol formulation, essentially a water solution of carbolic soap. [11] "Lysol" has been used as a generic trademark to refer to such a cresol soap solution and remains used as such in some professional settings. The CAS number is 12772-68-8.
Carbolic may refer to: Phenol, also known as carbolic acid; Carbolic soap, a type of soap containing carbolic acid; See also. Carlill v Carbolic Smoke Ball Company