acetic anhydride

noun

: a colorless liquid C4H6O3 with a pungent odor used in organic synthesis (as of cellulose acetate and aspirin)

Examples of acetic anhydride in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As aforementioned, it is produced by combining Delta-8 THC with acetic anhydride. Amber Smith, Discover Magazine, 17 Oct. 2022 It can be synthesized through a chemical process using acetic anhydride, a high-inflammable and colorless liquid used to make fibers, plastics, pharmaceuticals, dyes, and explosives. Dario Sabaghi, Forbes, 18 Jan. 2022 Finally, acetic anhydride is added to the delta-8 THC molecules to produce THC-O acetate. Dario Sabaghi, Forbes, 18 Jan. 2022 The company had been selling acetic anhydride in convenient wine bottle-sized jugs in retail stores, which were traced back to Mexican drug labs. Donald J. Mihalek, ABC News, 28 Mar. 2021 The investigation was triggered by a Bloomberg Businessweek report that found that J.T. Baker-brand acetic anhydride had been easily diverted to make heroin in violation of Mexican law. Michael Smith, Bloomberg.com, 15 Sep. 2020 None appears to have fared better than acetic anhydride, which is required to make heroin and also used by Mexican cartels over the past decade to make meth. Cam Simpson, Bloomberg.com, 28 Aug. 2020

Word History

First Known Use

1855, in the meaning defined above

Time Traveler
The first known use of acetic anhydride was in 1855

Dictionary Entries Near acetic anhydride

Cite this Entry

“Acetic anhydride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acetic%20anhydride. Accessed 21 Nov. 2024.

Medical Definition

acetic anhydride

noun
: a colorless liquid (CH3CO)2O with a pungent odor and lacrimatory and vesicant action that is used especially in making acetyl derivatives (as aspirin)

More from Merriam-Webster on acetic anhydride

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!