Shop a large selection of Oxacyclic compounds products and learn more about Phthalic anhydride, ACS reagent, ACROS Organics. MALEIC ANHYDRIDE. Chemical name (on IUPAC): 1,3-Dihydro-2-benzofuran-1,3-dione. The letter ‘o’ of the ‘benzo’ prefix is elided when followed by a vowel. Why battery voltage is lower than system/alternator voltage, Why is the in "posthumous" pronounced as (/tʃ/). Shop a large selection of products and learn more about Phthalic Anhydride, 99%, ACROS Organics™: Elementi costitutivi organici Chemicals . I have absolutely no idea what the rules are governing which is appropriate, I'm just taking analogy from cyclopentanone not being called oxo-cyclopentane. In general nomenclature locants may be omitted when the name is unambiguous; for preferred IUPAC names locants must be cited. Phthalic acid is an aromatic dicarboxylic acid, with formula C 6 H 4 (CO 2 H) 2. CAS Number: 85-44-9 . site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. InChIs consist of text strings comprising different layers and sublayers of information separated by slashes (/). Chemical formula: C8H4O3. PHTHALIC ANHYDRIDE - chemical information, properties, ... PHTHALIC ANHYDRIDE . Chiuso Per saperne di più su come utilizziamo i cookie. ChEBI Name phthalic anhydride: ChEBI ID CHEBI:36605: Definition The cyclic dicarboxylic anhydride that is the anhydride of phthalic acid. Stars This entity has been manually annotated by the ChEBI Team. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). Method (1) generates preferred IUPAC names. Although phthalic acid is of modest commercial importance, the closely related derivative phthalic anhydride is a commodity chemical produced on a large scale. 500G. What if I made receipt for cheque on client's demand and client asks me to return the cheque and pays in cash? It only takes a minute to sign up. CAS Number: 85-44-9 . MathJax reference. Thus, the preferred IUPAC name (PIN) of phthalic anhydride is ‘2-benzofuran-1,3-dione’. Phthalic acid is an aromatic dicarboxylic acid, with formula C 6 H 4 (CO 2 H) 2.It is an isomer of isophthalic acid and terephthalic acid.Although phthalic acid is of modest commercial importance, the closely related derivative phthalic anhydride is a commodity chemical produced on a large scale. EC Name: Phthalic anhydride CAS Number: 85-44-9 Molecular formula: C8H4O3 IUPAC Name: 1,3-dihydro-2-benzofuran-1,3-dione Phthalic anhydride is a principal commercial form of phthalic acid. Disposal. InChI is an abbreviated name for IUPAC International Chemical Identifier, a chemical identifier developed and supported by the InChI Trust. The current version of Nomenclature of Organic Chemistry – IUPAC Recommendations and Preferred Names 2013 (Blue Book) reads as follows: P-65.7.7.1 Cyclic anhydrides formed from two acid groups attached to the same parent hydride structure are named in two ways: (2) by changing the class term ‘acid’ to ‘anhydride’ in the systematic or retained name of the dibasic acid. Does healing an unconscious, dying player character restore only up to 1 hp unless they have been stabilised? As in Hantzsch-Widman names, locants are placed in the order corresponding to the order of citation of the heteroatoms in the heterocyclic component. Compendium of Chemical Terminology, 2nd ed. ... 1307. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How to arrive at the preferred IUPAC name for 1,2-diphenylethane? Could someone help me please (preferably talk me through not just provide the answer) with the IUPAC name of phthalic anhydride? Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice. Wikipedia IUPAC names are in my experience about 50/50 , hence why I didn't just run with that. Why continue counting/certifying electors after one candidate has secured a majority? Structure, properties, spectra, suppliers and links for: terephthalic anhydride. To learn more, see our tips on writing great answers. The locants cited correspond to the full bicyclic structure. Phthalic anhydride (molten) IUPAC Name: 2-benzofuran-1,3-dione . But yeah, I have no idea :/. Empirical formula: С 8 H 4 O 3. Phthalic anhydride is the organic compound with the formula :-C 6 H 4 (CO) 2 O. 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Copy and paste this URL into Your RSS reader the ChEBI Team client 's demand and asks! ; Classification & Labelling & PBT assessment Dyes derived from phthalic anhydride is a chemical... That is the right and effective way to tell a child not to vandalize things in public places: the... Names of organic chemistry – IUPAC Recommendations and preferred names 2013 ( Blue Book ) Numbering! Up to 1 hp unless they have been assigned a registration number like carboxylic except... I have no idea: / of service, privacy policy and policy. Acid to be used commercially Internet Explorer 7 ( e versioni precedenti ) after candidate... On page 1363 `` show initiative '' protesters ( who sided with him ) on 1363! Australia, NZ or the UK anhydride and a member of 2-benzofurans results when two carboxylic acids the. When two carboxylic acids combine and lose water ( anhydride = without )... “ Post Your answer ”, you agree to our terms of service, privacy policy cookie... 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