acetic anhydride


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acetic anhydride

n
(Elements & Compounds) a colourless pungent liquid used in the manufacture of cellulose and vinyl acetates for synthetic fabrics. Formula: (CH3CO)2O

ace′tic anhy′dride


n.
a colorless, pungent liquid, C4H6O3, the anhydride of acetic acid: used chiefly as a reagent and in the production of plastics, film, and fabrics derived from cellulose.
[1875–80]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acetic anhydride - a compound that is needed in order to refine opium into heroinacetic anhydride - a compound that is needed in order to refine opium into heroin
anhydride - a compound formed from one or more other compounds in a reaction resulting in removal of water
Translations
AcetanhydridEssigsäureanhydrid
무수초산
ättiksyraanhydrid
References in periodicals archive ?
The treatments included tung oil impregnation, phenol-formaldehyde impregnation, and acetylation with acetic anhydride.
of the US did FEED on the acetic acid/acetic anhydride units and will provide its in-house co-production technology, in addition to marketing all the acetic anhydride output.
Cyclodehydration was accomplished by adding acetic anhydride and fused sodium acetate (22.1 ml and 0.02 g, respectively, per mol of water condensed to the reaction solution and heating at 90 [degrees] C for 0.5h).
Specialists attempt to assess the true volume of opium production of the region from the recorded seizures of acetic anhydride, the chemical used in heroin manufacture.
They exposed it to a compound called acetic anhydride, which reacted only with the nitrogen in epibatidine, changing it slightly so it could be separated from the sample's impurities.
For example, flammable liquids (acetone and the alcohols such as ethanol, methanol, isobutanol and t-butanol) are given high hazard ratings while glacial acetic acid, acetic anhydride and adipoyl chloride whose hazard lies in the inhalation of the vapour are given medium ratings.
ISLAMABAD -- Anti-Narcotics Force Pakistan seized 1.091 Tons narcotics and 1625 Liters Acetic Anhydride valuing Rs 1.25 Billion internationally, arrested 27 persons including 2 ladies involved in drug smuggling and impounded 7 vehicles while conducting 27 counternarcotics strikes across the country.
ISLAMABAD -- Anti-Narcotics Force Pakistan has seized 1.877 Tons narcotics and 2.52 Tons Acetic Anhydride valuing Rs 1.5 Billion internationally, arrested 29 persons including 6 ladies and 3 foreigners involved in drug smuggling and impounded 9 vehicles while conducting 24 counter-narcotics strikes across the country.
rawalpindi -- The Anti Narcotics Force (ANF) has launched operations against drug mafia in various parts of country and held 29 suspected smugglers including six females besides recovering 1.8 tons narcotics and 2.52 tons Acetic Anhydride, informed ANF Headquarters spokesman on Thursday.
The seized drugs comprised 1826 Kg Hashish, 40 Kg Opium, 5.5 Kg Amphetamine, 5.5 Kg Heroin, 200 Gram Cocaine and 2520 Liters Acetic Anhydride. ANF Quetta seized mega cache of drugs comprising 1792 Kg Hashish, 2520 liters Acetic Anhydride and 40 Kg Opium in five separate intelligence based operations conducted at Qilla Abdullah, Panjgur, Kech and Quetta.
RAWALPINDI -- Anti Narcotics Force (ANF) Pakistan has seized 1.877 tons narcotics and 2.52 tons Acetic Anhydride worth Rs 1.5 billion in international market and arrested 29 persons including six women and three foreigners involved in drug smuggling.