单词	benzoic acid
释义	benzoic acid noun ben·​zo·​ic acid ben-ˈzō-ik-  : a white crystalline acid C6H5COOH found naturally (as in benzoin or in cranberries) or made synthetically and used especially as a preservative of foods, as an antifungal agent in pharmaceuticals, and in organic synthesis Example Sentences Recent Examples on the Web According to the company’s website, Juul pods contain only four ingredients: nicotine, and the additives propylene glycol, glycerine, and benzoic acid, which serve as thickeners and preservatives. Chris Roberts, Forbes, 30 Dec. 2021 The health effects of nicotine as a salt with benzoic acid is also relatively unknown. Daniel Wolfe, Quartz, 18 Oct. 2019 Juul uses benzoic acid, though their patent covers a wide range of other acids as well. Rachel Becker, The Verge, 21 Nov. 2018 Further, Zeichner says that ingredients like propylene glycol, benzene, benzoic acid, and chlorhexidine can potentially cause irritation and even allergic contact dermatitis. Sofia Barrett-ibarria, Allure, 21 Sep. 2018 Juul pods include glycerol, propylene glycol, natural oils, extracts and flavor, nicotine and benzoic acid, company officials say, but not diacetyl, a potentially harmful chemical used in other vaping products for flavoring. Jill Tucker, SFChronicle.com, 27 May 2018 Juul’s e-cigarette liquid contains only five: glycerol, propylene glycol, nicotine, benzoic acid, and food-grade flavoring. Jia Tolentino, The New Yorker, 7 May 2018 See More Word History Etymology International Scientific Vocabulary, from benzoin First Known Use 1791, in the meaning defined above Medical Definition benzoic acid noun ben·​zo·​ic acid ben-ˌzō-ik-  : a white crystalline acid C6H6O2 found naturally (as in benzoin or in cranberries) or made synthetically and used especially as a preservative of foods, in medicine, and in organic synthesis
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