单词 | aluminium chloride |
释义 | > as lemmasaluminium chloride aluminium chloride n. Chemistry a white solid which fumes in moist air and reacts violently with water, and is widely used as a catalyst, esp. to promote alkylation or acylation by the Friedel-Crafts reaction.Formula: AlCl3; in liquid form, it exists as a dimer, Al2Cl6. Aluminium chloride is often contaminated with trace amounts of iron trichloride which can make it appear yellow. ΚΠ 1865 Chem. News 27 Jan. 42/1 He [sc. Gmelin] would use the requisite prefix, even though the metal were incapable of forming another oxide. Thus, ‘aluminic chloride’ was a better expression than ‘aluminium chloride’. 1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) i. 43 Attempts to crack the higher oil by catalytic agents, such as aluminium chloride, have been tried. 1978 G. C. Hill & J. S. Holman Chem. in Context xxvii. 432 Ethene and benzene undergo a Friedel-Crafts reaction in the presence of hydrogen chloride and aluminium chloride, to form ethylbenzene. 2009 Sun (Nexis) 6 Aug. 45 If you sweat so much you need buckets instead of shoes, try a strong antiperspirant like aluminium chloride. < as lemmas |
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