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phenolphthalein
(Encyclopedia) phenolphthaleinphenolphthaleinfēˈnôlthălˈēən [key], or 2,2-Bis(p-hydroxyphenyl) phthalide, C20H14O4, crystalline organic compound. It is used medicinally as a laxative and is widely…hand sanitizer
(Encyclopedia) hand sanitizer or hand rub, substance used to clean and sanitize the hands, especially when soap is not available. Hand sanitizers, introduced commercially in the late 1980s, are…naphthalene
(Encyclopedia) naphthalenenaphthalenenăfˈthəlēnˌ [key], colorless, crystalline, solid aromatic hydrocarbon with a pungent odor. It melts at 80℃, boils at 218℃, and sublimes upon heating. It is…isopropanol
(Encyclopedia) isopropanol,&sp;isopropyl alcohol, or 2-propanolisopropanol,īˌsəprōˈpənōl, īˌsəprōˈpĭl [key], (CH3)2CHOH, a colorless liquid that is miscible with water. It melts at −89℃ and boils…anhydride
(Encyclopedia) anhydrideanhydrideănhīˈdrīd, –drĭd [key] [Gr.,=without water], chemical compound formed by removing water, H2O, from another compound; the anhydride can also react with water to form…palmitin
(Encyclopedia) palmitinpalmitinpălˈmətĭn [key], fat that is the triglyceride of palmitic acid, CH3(CH2)14CO2H, i.e., the tripalmitate ester of glycerol. It is a white crystalline solid at ordinary…The Chemistry of Wine: Fermentation
By Maureen McKenna, Certified Sommelier, CMS Wine 101 For thousands of years, wine has played a big role in many cultures, starting with the oldest-known winery in Armenia discovered in 4100 B.C.…nitrocellulose
(Encyclopedia) nitrocellulose, nitric acid ester of cellulose (a glucose polymer). It is usually formed by the action of a mixture of nitric and sulfuric acids on purified cotton or wood pulp. The…lactic acid
(Encyclopedia) lactic acid, CH3CHOHCO2H, a colorless liquid organic acid. It is miscible with water or ethanol. Lactic acid is a fermentation product of lactose (milk sugar); it is present in sour…butyric acid
(Encyclopedia) butyric acidbutyric acidby&oomacr;tĭrˈĭk [key] or butanoic acidbutanoic acidby&oomacr;tənōˈĭk [key], CH3CH2CH2CO2H, viscous, foul-smelling, liquid carboxylic acid; m.p. about −…Trending
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