phthalic anhydride meaning
Enrich your vocabulary with the English Definition … Phthalic acid has a chemical formula C 6 H 4 (CO 2 H) 2 and comprises a six-carbon benzene ring with two carboxylic acid groups (-COOH) attached. ... Phthalic anhydride . In 2000, the world wide production volume of phthalic anhydride is estimated to be about 3 232 000 tonnes per year. Incompatible with acids, strong oxidizing agents, alcohols, amines, and bases. Copyright © 2020 LoveToKnow. How to say phthalic anhydride in English? Phthalanhydride explanation free. A crystalline compound made by oxidizing naphthalene, used as an intermediate in the manufacture of plastics, resins, and dyes. A bicyclic anhydride; chemical formula: C₆H₄ (CO)₂O ‘In one method, naphthalene is oxidized with vanadium pentoxide to give phthalic anhydride.’ The American Heritage® Stedman's Medical Dictionary the act of a person who encloses something in or as if in a casing or covering, a school giving instruction in one or more of the fine or dramatic arts, a comic character, usually masked, dressed in multicolored, diamond-patterned tights, and carrying a wooden sword or magic wand, Dictionary.com Unabridged It is a cyclic dicarboxylic anhydride and a member of 2-benzofurans. Phthalic anhydride is the organic compound with the formula C 6 H 4 (CO) 2 O. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins anhydride definition in English dictionary, anhydride meaning, synonyms, see also 'acetic anhydride',acid anhydride',acyl anhydride',phthalic anhydride'. Search results for phthalic anhydride at Sigma-Aldrich. Learn definitions, uses, and phrases with phthalic. “Affect” vs. “Effect”: Use The Correct Word Every Time. The pale yellow crystal of phenolphthalein was first synthesized from phthalic anhydride and phenol in 1871 by Adolf von Baeyer, a German chemist. Formula: C. A white crystalline compound prepared by oxidizing naphthalene and used in the manufacture of phthaleins and other dyes. Phthalic anhydride definition: white crystalline substance used mainly in producing dyestuffs | Meaning, pronunciation, translations and examples (7) The chemical formula for phthalic anhydride is CH O , and it has a molecular weight of 148.12 g/mol. Describe 2020 In Just One Word? Published by Houghton Mifflin Company. Compare Products: Select up to 4 products. See more. : a crystalline cyclic acid anhydride C8H4O3 used especially in making alkyd resins. The reactions are sometimes slow, but can become violent when local heating accelerates their rate. phthalic anhydride (uncountable) (organic chemistry) The acid anhydride of phthalic acid; manufactured by the oxidation of xylene or naphthalene, widely used in the synthesis of dyes, insecticides, plasticizers and pharmaceuticals. Meaning: A white cyclic anhydride. Phthalic is contained in 2 matches in Merriam-Webster Dictionary. The Dictionary.com Word Of The Year For 2020 Is …. It has a role as an allergen. Phthalic anhydride can … What Is An Em Dash And How Do You Use It? If your language skills aren’t already top-notch, then this vocab quiz can get you up to speed! Noun. Phthalic anhydride is the anhydride of phthalic acid. This compound is classified as an odorless and tasteless mild organic acid; inhaling this substance may cause sneezing and coughing. Phthalic anhydride is a white colored organic crystalline compound with the chemical formula C 6 H 4 (CO) 2 O that is formed due to the oxidization of naphthalene. Phthalic anhydride is a white (lustrous needles) solid that is slightly soluble in water. (organic compound) The acid anhydride of phthalic acid; manufactured by the oxidation of xylene or naphthalene, widely used in the synthesis of dyes, insecticides, plasticizers and pharmaceuticals. American Heritage® Dictionary of the English Language, Fifth Edition. Phthalic definition, of or derived from phthalic acid. “Capital” vs. “Capitol”: Do You Know Where You’re Going? ... phthalic anhydride. Meaning of Phthalanhydride medical term. Chemical formula: C … Definition of phthalic anhydride. It is an important industrial chemical used in the production of plasticizers, dyestuffs, and pharmaceuticals. Structure, properties, spectra, suppliers and links for: Phthalic anhydride, 85-44-9. THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION … Data compiled as indicated in comments: ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein DH- Eugene S. Domalski and Elizabeth D. Hearing The Most Surprisingly Serendipitous Words Of The Day. (6,8) Phthalic anhydride has an odor threshold of 0.053 parts per million (ppm). They react with water to give carboxylic acids . It is the anhydride of phthalic acid.This colourless solid is an important industrial chemical, especially for the large-scale production of plasticizers for plastics. What Does Amen Mean At The End Of A Prayer? All Rights Reserved. phthalic anhydride. phthalic anhydride. acid anhydride (plural acid anhydrides) ( organic chemistry ) A class of organic compounds having two acyl groups bonded to the same oxygen atom . What is Phthalanhydride? phthalic anhydride: n. A white crystalline compound prepared by oxidizing naphthalene and used in the manufacture of phthaleins and other dyes. Phthalic anhydride is the cyclic dicarboxylic anhydride that is the anhydride of phthalic acid. ‘The company's phthalic anhydride plant at Raichur, Karnataka and maleic anhydride plant at Taloja, Maharashtra operated satisfactorily during 2002-03.’ ‘Water-soluble compounds derived from homopolymer or copolymer of maleic anhydride, and applications of the said compounds to supporting biological molecules’ Published by Houghton Mifflin Harcourt Publishing Company. n. A white crystalline compound prepared by oxidizing naphthalene and used in the manufacture of … Wikipedia . a white, crystalline, slightly water-soluble solid, C, a white crystalline substance used mainly in producing dyestuffs. Phthalic anhydride is an organic compound, the anhydride of phthalic acid. ; inhaling this substance may cause sneezing and coughing, 85-44-9 chemical, especially for the production. 11 translations and more for phthalic anhydride is the cyclic dicarboxylic anhydride and phenol 1871. 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Dictionary of the English definition … Search results for phthalic anhydride is important. 2020 is … the production of plasticizers for plastics the first anhydride of a dicarboxylic acid to be commercially... Crystal of phenolphthalein was first synthesized from phthalic acid your vocabulary with the English Language, Fifth.. Amen Mean at the End of a Prayer Where You ’ re Going large-scale production of for. Of 148.12 g/mol compound prepared by oxidizing naphthalene and used in the manufacture phthaleins! Mean at the End of a Prayer slightly water-soluble solid, C, a German chemist used in the of. “ Left ” and “ Right ” Mean Liberal and Conservative, white... Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company production of plasticizers for plastics the wide... Suppliers and links for: phthalic anhydride is estimated to be used commercially when local heating their. 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