单词 | nitronaphthalene |
释义 | > as lemmasnitronaphthalene nitronaphthalene n. Brit. /ˌnʌɪtrə(ʊ)ˈnafθəliːn/ , /ˌnʌɪtrə(ʊ)ˈnapθəliːn/ , U.S. /ˌnaɪtroʊˈnæpθəˌlin/ , /ˌnaɪtroʊˈnæfθəˌlin/ (also †nitronaphthaline) [compare German Nitronaphthalinsäure (de Marignac 1841, in Ann. der Chem. u. Pharm. 38 2)] either of two isomeric crystalline compounds, C10H7NO2, which are nitro-derivatives of naphthalene.ΚΠ 1852 W. Gregory Handbk. Org. Chem. (ed. 3) 412 Nitronaphthaline..is best formed by causing nitrous acid to pass through melted naphthaline. It..forms long prisms of a sulphur-yellow colour. 1866 H. Watts Dict. Chem. IV. 48 Nitronaphthalene. 1967 I. L. Finar Org. Chem. (ed. 5) I. xxix. 762 2-Nitronaphthalene..may be prepared by heating 2-naphthalenediazonium borofluoride with sodium nitrite and copper powder. 1991 Mutation Res. 259 111 1-Nitronaphthalene..has been identified..as a noncarcinogen showing some evidence of in vitro genotoxicity. < as lemmas |
随便看 |
|
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。