a grayish, crystalline, slightly water-soluble, basic compound, C 12 H 12 N 2 , usually derived from nitrobenzene: used chiefly in the synthesis of certain azo dyes, especially Congo red.
Chlorination of Water Joseph Race
a grey or reddish poisonous crystalline powder that is used mainly in the manufacture of dyes, esp Congo red. Formula: NH2(C6H4)2NH2
A yellowish, white, or reddish-gray crystalline powder that is produced synthetically and is carcinogenic. It is used in making dyes, as a reagent, and in detecting blood stains. Chemical formula: C12H12N2.
a colorless crystalline compound, C 7 H 6 N 2 , used in organic synthesis.
a colorless, volatile, flammable, liquid mixture of various hydrocarbons, obtained in the distillation of petroleum, and used in cleaning, dyeing, etc. Historical Examples The Medicinal Plants of the Philippines T. H. Pardo de Tavera Merck’s 1899 Manual Merck & Co. Coal Raphael Meldola The Preservation of Antiquities Friedrich Rathgen Torchy Sewell Ford The Medicinal Plants […]
a colorless, volatile, flammable, liquid mixture of various hydrocarbons, obtained in the distillation of petroleum, and used in cleaning, dyeing, etc. Historical Examples Handwork in Wood William Noyes Ontario Teachers’ Manuals: Nature Study Ontario Ministry of Education Secrets of Wise Men, Chemists and Great Physicians William K. David England and Germany Emile Joseph Dillon Two […]
a combining form used in the names of chemical compounds in which benzene, benzoic acid, or one or more of the phenyl groups is present: benzocaine. combining form indicating a benzene ring fused to another ring in a polycyclic compound: benzofuran indicating derivation from benzene or benzoic acid or the presence of phenyl groups: benzophenone