Soap Carbolic

Carbol Schwefelsaure, /. iPharm.) sulfocarbolic acid, sulfophenic acid (p-phenolsulfonic acid.), -seife, /. carbolic soap. -suifosMure, /. = Carbolschwefelsaure. vergiftung, /. carbolic acid poisoning. wasser, n. aqueous solution of phenol, -watte, /. carbolized cotton wool. 

The antibacterial properties of VII are no longer utilized in modem hospitals because more potent antiseptics have now been formulated. But its memory persists in the continued use of carbolic soap , which contains small amounts of phenol. 

As in case of mixed cresols, mixed xylenols have been used for manufacture of carbolic soaps, disinfectants, wire enamels, and fire-retardant plasticizers. However, 2,4-xylenol, 2,6-xylenol, and 3,5-xylenols have been used for organic chemical synthesis. 2,6-Xylenol is a precursor for an engineering plastic polyphenylene oxide also known as polyphenylene ether. 

The disinfectant, bactericidal and fungicidal properties of individual cresols and mixed cresol or cresylic acids had been well known for the last 60 years or so. So much so that within the recommended doses as prescribed by WHO cresols were used in the manufacture of carbolic soaps. Cresols were also used in place of phenol as disinfectant in domestic applications. They were also used as wood preservatives. As mentioned earlier para-chloro-meta-cresol is now one of the preferred preservatives for leather goods. 

For the purpose of calculating the approximate proportion of resin in the soap it may be assumed that resin contains 92 per cent of resin acids. When the percentage of resin is small (less than 5 per cent), results will be less accurate than with larger resin contents. The presence of resin should be established qualitatively by the Liebermann-Storch test. The quantitative method is liable to give erroneous results with certain types of carbolic soaps containing high-boiling tar acids. 

Carbol. carbolic, carbolized, carbolated. kalk, n. carbolated lime. >dl( n. carbolated oil. salbe,/. Pharm.) ointment of phenol. carbolic acid, phenol. ldsung, /. carbolic acid solution. seife, /. carbolic acid soap. 

Haxz-karboUdsung, /. (Paper) solution of rosin in carbolic acid, -keraselfe, /. rosin curd soap, rosin soap, -kiefer,/. pitch pine, -kitt, m. resinous cement, -kocher, m. (Paper) rosin boiler, -kohle, /. bituminous coal, -kdrper, m. resin(ous) substance, -lack, m. resin lake resin varnish, -leim, m. (Paper) rosin size, -leimung, /. (Paper) sizing with rosin, -leimverseifung, /. rosin-size cutting. ... 

Aromatic alcohols are called phenols. The word phenol comes from phenyl alcohol. Phenol itself, formerly known as carbolic acid, finds application as a preservative. Three example phenols are illustrated in Figure 11.23. Hexachlo-rophene, a phenolic aryl halide, was once a common active ingredient in over-the-counter antibacterial soaps. 

Carbolic Oil Fresh air mask for confined areas rubber gloves protective clothing full face shield. Remove victim to fresh air, keep quiet and warm. If breathing stops, start artificial respiration. Remove contaminated clothing wash skin with soap and water. Flush eyes with water for 15 minutes or until physician arrives. 

Disinfectant Soaps,— To the soap base, which must be strong to taste, is added from 3 to 4 per cent, of coal-tar derivatives, such as carbolic acid, cresylio acid, creosote, naphthalene, or compounds containing carbolic acid and its homologues. The incorporation is made in tiie crutching pan, and further cmtching may be given by hand in the frames. 

Medicaments are sometimes acldtnl to tlumo soaps, o.i/., (yunphor, borax, coal-tar, or carbolic. Oatmeal and bran liave beeti rectummt nwood-fibre impregnak d with boric acid. 

Coal Tar.—These soaps contain, in addition to carbolic acid and its homologues, naphthalene and other hydrocarbons derived from coal, naphthol, bases, etc. Various blends of different fractions of coal tar are used, but the most valuable constituents from a disinfectant point of view are undoubtedly the phenols, or tar acids, though in this case as with carbolic and cresylic soaps, the amount of phenols should not exceed 3 per cent, in a toilet soap. An excess of naphthalene should also be avoided, since, on account of its strong odour, soaps containing much of it are unpopular. The odour of coal tar is considerably modified by and blends well with a perfum> containing oils of cassia, lavender, spike, and red thyme. 

Carbolic ac id.—Fifty grammes of the soap are dissolved in water and 20 c.c. of 10 per cent, caustic potash ded. The solution is treated with an excess of brine, the supernatant liquor separated, and the precipitate washed with brine, the washings being added to the liquor withdrawn. This is then evaporated to a small bulk, placed in a Muter s graduated tube, and acidified with mineral acid. 

If the titre of soaps containing carbolic acid or mineral oil is required the carbolic acid and mineral oil must be removed the former can be removed by heating the soap at 100° to 105° and the latter by extracting the soap with ether. 

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