英语词汇“citronellal”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	citronellal
释义	citronellal cit·ro·nel·lal C0373600 (sĭt′rə-nĕl′ăl′)n. A colorless fragrant liquid, C₁₀H₁₈O, obtained from citronella and certain other essential oils or produced synthetically and used in making perfumes, flavorings, and insect repellants. [citronell(a) + -al.] citronellal (ˌsɪtrəˈnɛlæl) n (Elements & Compounds) a colourless slightly water-soluble liquid with a lemon-like odour, a terpene aldehyde found esp in citronella and certain eucalyptus oils: used as a flavouring and in soaps and perfumes. Formula: (CH3)2C:CH(CH2)2CH(CH3)CH2CHO. Also called: rhodinal cit•ron•el•lal (ˌsɪ trəˈnɛl æl, -əl) n. a colorless liquid mixture of aldehydes, C₁₀H₁₈O, used chiefly in flavorings and in perfumery. [1890–95] Citronellal Citronellal (also 3,7-dimethyl-6-octenal), the terpene aldehyde (CH₃)₂C═CH(CH₂)₂CH(CH₃)CH₂CHO. Citronellal is a colorless liquid with a pleasant, lemonlike odor. Insoluble in water, it is soluble in alcohol and ether. It has a boiling point of 206.9°C and a density of 0.855 g/cm³ at 20°C. Citronellal is a component of many essential oils. It is obtained from these oils—particularly citronella oil—by rectification or by a process yielding a bisulfite derivative. Citronellal is used as an ingredient of perfumes and as a raw material in the production of fragrant substances, such as citronellol and hydrocitronellal. citronellal cit·ro·nel·lal (sit'-rō-nel'ăl), Principal volatile ingredient of lemon grass and citronella oil. Used in soap perfumes and as an insect repellent.
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