英语词汇“diphenylamine”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	diphenylamine
释义	diphenylamine enUK di·phen·yl·a·mine D0237500 (dī-fĕn′əl-ə-mēn′, -ăm′ĭn, -fē′nəl-)n. A colorless crystalline compound, C₁₂H₁₁N, used as a stabilizer for plastics, in analysis of oxidants, and in the manufacture of dyes, explosives, pesticides, and pharmaceuticals. diphenylamine (daɪˌfiːnaɪləˈmiːn; -ˈæmɪn; -nɪl-; -ˌfɛn-) n (Chemical Engineering) a colourless insoluble crystalline derivative of benzene, used in the manufacture of dyes, as a stabilizer in plastics, etc. Formula: (C6H5)2NH di•phen•yl•a•mine (daɪˌfɛn l əˈmin, -ˈæm ɪn, -ˌfin-) n. a colorless, crystalline benzene derivative, C₁₂H₁₁N, used chiefly in the preparation of dyes and as a stabilizer. [1860–65] Diphenylamine enUK diphenylamine [dī¦fen·əl′am‚ēn] (organic chemistry) (C₆H₅)₂NH Colorless leaflets, sparingly soluble in water; melting point 54°C; used as an additive in propellants to increase the storage life by neutralizing the acid products formed upon decomposition of the nitrocellulose. Also known as phenylaniline. Diphenylamine an aromatic amine, C₆H₅NHC₆H₅; colorless crystals that darken upon exposure to light and have a slight characteristic odor. Melting point, 54°C; boiling point, 302°C. It is insoluble in water but soluble in most organic solvents. In industry, it is made by heating aniline, C₆H₅NH₂, with aniline hydrochloride at 200°-230°C. It is used to make dyes and numerous organic intermediates (acridine, carbazole, and others), for stabilizing cellulose nitrate powders, and in colorimetric determination of some oxidizing agents (for example, nitric and nitrous acids). diphenylamine enUK diphenylamine (dī-fĕn′əl-ə-mēn′, -ăm′ĭn, -fē′nəl-)n. A colorless crystalline compound, C₁₂H₁₁N, used as a stabilizer for plastics, in analysis of oxidants, and in the manufacture of dyes, explosives, pesticides, and pharmaceuticals. See DPA See DPHA
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更新时间：2024/12/23 4:11:16