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2.1.1 IUPAC Name. The acid anhydride functional group results when two carboxylic acids combine and lose water (anhydride = without water). Phthalates are endocrine disruptors. Can a law enforcement officer temporarily 'grant' his authority to another? 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. 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. What compounds do Nor1 and Nor2 citalopram refer to? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Thanks for contributing an answer to Chemistry Stack Exchange! Cite as: IUPAC. If that is indeed the correct name, how is it derived? Although phthalic acid is of modest commercial importance, the closely related derivative phthalic anhydride is a commodity chemical produced on a large scale. Chemical Formula: C 8 H 4 O 3. click here for details. Phthalic anhydride. Heteroatoms are allocated lowest locants as a set, without regard to kind; if there is a choice, lowest locants are assigned in accordance with the seniority of the ‘a’ prefixes (…). How to show these two expressions are the same? organic chemistry - IUPAC name, phthalic anhydride Could someone help me please (preferably talk me through not just provide the answer) with the IUPAC name of phthalic anhydride? Chemical Formula: C 8 H 4 O 3. click here for details. ChEBI Name phthalic anhydride: ChEBI ID CHEBI:36605: Definition The cyclic dicarboxylic anhydride that is the anhydride of phthalic acid. Compare Products: Select up to 4 products. Molecular weight: 148.1156. Is there a systematic naming system to name carbonyl derivatives? REACH phthalic anhydride, distillation residues. Find where to buy products from suppliers in the USA, including: distributors, industrial manufacturers in America, bulk supplies and wholesalers of raw ingredients & finished goods.. Search for products or services, then visit the American suppliers website for prices, SDS or more information. The locant ‘1’ is always assigned to the atom of the heterocyclic component next to a fusion atom. Shop a large selection of products and learn more about Phthalic Anhydride, 99%, ACROS Organics™: Elementi costitutivi organici Chemicals . CAS Number: 85-44-9 . Indicated hydrogen is placed at the front of the name, when required. EC Name: Phthalic anhydride CAS Number: 85-44-9 Molecular formula: C8H4O3 IUPAC Name: 1,3-dihydro-2-benzofuran-1,3-dione What factors promote honey's crystallisation? It was the first anhydride of a dicarboxylic acid to be used commercially. What species is Adira represented as by the holo in S3E13? It is an isomer of isophthalic acid and terephthalic acid. Phthalic anhydride was first reported in 1836 by Auguste Laurent. 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. The letter ‘o’ of the ‘benzo’ prefix is elided when followed by a vowel. Should the stipend be paid if working remotely? Benvenuti al sito dell'ECHA. Exposure to phthalic anhydride may occur during its use as a chemical intermediate in the plastics industry. Nomenclature of Organic Chemistry – IUPAC Recommendations and Preferred Names 2013 (Blue Book), Numbering in phenolphthalein versus ascorbic acid. 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). 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. Download the identifier in a file. Chiuso Per saperne di più su come utilizziamo i cookie. Avoid breathing dust and vapors of phthalic anhydride. This information has not been reviewed or verified by the Agency or any other authority. 500g; Glass bottle. Phthalic acid is an aromatic dicarboxylic acid, with formula C6H4(CO2H)2. EINECS-number: 201-607-5. Numbering in IUPAC name of a trisubstituted cyclohexane. InChI is an abbreviated name for IUPAC International Chemical Identifier, a chemical identifier developed and supported by the InChI Trust. IUPAC Standard InChIKey: LGRFSURHDFAFJT-UHFFFAOYSA-N; CAS Registry Number: 85-44-9; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript. Molecular Formula C 8 H 4 O 3; Average mass 148.116 Da; Monoisotopic mass 148.016037 Da; ChemSpider ID 6552 Chemical formula: C8H4O3. Can be neutralized with … Non tutte le funzionalità del presente sito sono fruibili con Internet Explorer 7 (e versioni precedenti). ... 1307. This is true for both the IUPAC and Common nomenclature. Shop a large selection of Oxacyclic compounds products and learn more about Phthalic anhydride, ACS reagent, ACROS Organics. CAS-number: 85-44-9. Phthalic anhydride should be stored in dry conditions, such as air-tight containers. furo[3,4-f][2] ... (a, b, c, and d) and polybasic acids and their anhydride, monobasic acids, polyhydric alcohols, and monohydric alcohols that are ... (>67 kDa). Questo sito web si avvale di cookie affinché possiate usufruire della migliore esperienza sui nostri siti web. CAS Number: 85-44-9 . Finally, the corresponding pseudoketone is named using the suffix ‘one’ in accordance with rules expressed for ketones. Disposal. New Window. The locant ‘1’ is assigned to the atom of the heterocyclic component next to a fusion atom. Storage. How to arrive at the preferred IUPAC name for 1,2-diphenylethane? But yeah, I have no idea :/. It's primarily used for production of polyester resins, alkyd resins, lubricating oil additives, water treatment chemicals, detergents, pharmaceuticals and copolymers, chemical preparation for the agriculture, for obtaining of fumaric acid. It was the first anhydride of a dicarboxylic acid to be used commercially. The byproducts of the naphthalene reaction are carbon dioxide and water. Formula: C 8 H 4 O 3. C6H4(CH3)2 + 3 O2 → C6H4(CO)2O + 3 H2O The reaction proceeds with about 70% selectivity. (the "Gold Book"). General information; Classification & Labelling & PBT assessment Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. The locant ‘2’ is assigned to the heteroatom and it is placed at the front of the name. Phthalic anhydride. It is the anhydride of phthalic acid. Starting from o-xylene, the oxidation follows the following stoichiometry: 1. As in Hantzsch-Widman names, locants are placed in the order corresponding to the order of citation of the heteroatoms in the heterocyclic component. It is an isomer of isophthalic acid and terephthalic acid. CAS-number: 85-44-9 i think it doesn't matter, coz IUPAC nomenclature is designed such that each name refers to exactly one compound, but not necessarily the other way round. Empirical formula: С 8 H 4 O 3. In general nomenclature locants may be omitted when the name is unambiguous; for preferred IUPAC names locants must be cited. PHTHALIC ANHYDRIDE; 85-44-9; Isobenzofuran-1,3-dione ... MW: 148.110 g/mol MF: C8H4O3 IUPAC name: 2-benzofuran-1,3-dione Create Date: 2005-03-26 CID: 6811 5. The locant ‘2’ is assigned to the heteroatom and it is placed at the front of the name. Dyes derived from condensation of phthalic anhydride with m-dialkylaminophenols. What causes dough made from coconut flour to not stick together? Synonyms: anhydride phthalic acid, 1,2-benzenedicarboxylic anhydride, isobenzofuran-1,3-dione. EC number: 201-607-5 | CAS number: 85-44-9. Name of a product: Phthalic Anhydride (A technical grade). Search results for phthalic anhydride at Sigma-Aldrich. An unbiased estimator for the 2 parameters of the gamma distribution? Thus, the preferred IUPAC name (PIN) of phthalic anhydride is ‘2-benzofuran-1,3-dione’. Could someone help me please (preferably talk me through not just provide the answer) with the IUPAC name of phthalic anhydride? Chemical name (on IUPAC): 1,3-Dihydro-2-benzofuran-1,3-dione. IUPAC Name: 2-benzofuran-1,3-dione . How can I quickly grab items from a chest to my inventory? Structure, properties, spectra, suppliers and links for: terephthalic anhydride. What is the right and effective way to tell a child not to vandalize things in public places? Phthalate esters are derived from phthalic anhydride by the alcoholysis reaction. Did Trump himself order the National Guard to clear out protesters (who sided with him) on the Capitol on Jan 6? (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1363 . Symmetrical acid anhydrides are named like carboxylic acids except the ending -acid is replaced with -anhydride. Phthalic anhydride is the cyclic dicarboxylic anhydride that is the anhydride of phthalic acid. Phthalic anhydride (molten) IUPAC Name: 2-benzofuran-1,3-dione . (…). Particle size distribution (Granulometry), Solubility in organic solvents / fat solubility, Stability in organic solvents and identity of relevant degradation products, Storage stability and reactivity towards container material, Biodegradation in water and sediment: simulation tests, Additional information on environmental fate and behaviour, Short-term toxicity to aquatic invertebrates, Long-term toxicity to aquatic invertebrates, Toxicity to aquatic algae and cyanobacteria, Toxicity to aquatic plants other than algae, Endocrine disrupter testing in aquatic vertebrates – in vivo, Toxicity to soil macroorganisms except arthropods, Endocrine disrupter mammalian screening – in vivo (level 3), Direct observations: clinical cases, poisoning incidents and other, Exposure related observations in humans: other data, phthalic anhydride / 2-benzofuran-1,3-dione / 85-44-9 / 201-607-5, Registrants / Suppliers - Ceased manufacture, Registration numbers - Ceased manufacture, Additional physico-chemical properties of nanomaterials, Toxicokinetics, metabolism and distribution, ARKEMA, 420 rue d'Estienne d'Orves, 92705, COLOMBES Cedex, France. rev 2021.1.8.38287, The best answers are voted up and rise to the top, Chemistry Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us, The preferred IUPAC name (PIN) of phthalic anhydride is. (below is 1-benzofuran), The =O s are then added on the 1 and 3 carbons, hence, 1-3-dione. Phthalate esters plasticizers: The primary use of phthalic anhydride is a precursor to phthalate esters, used as plasticizers in vinyl chloride. Why continue counting/certifying electors after one candidate has secured a majority? To learn more, see our tips on writing great answers. Thus, the preferred IUPAC name (PIN) of phthalic anhydride is ‘2-benzofuran-1,3-dione’. MALEIC ANHYDRIDE. Finally, the corresponding pseudoketone is named using the suffix ‘one’ in accordance with rules expressed for ketones. 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. Benzofuran is named by the position of the oxygen, hence 2-Benzofuran. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. 500G. More contemporary routes include catalytic oxidation of ortho-xylene and naphthalene("Gibbs phthalic anhydride process"), although use of naphthalene has declined. Shop a large selection of Oxacyclic compounds products and learn more about Phthalic Anhydride 98.0 %, TCI America. Chemical structure: IUPAC Standard InChIKey: LGRFSURHDFAFJT-UHFFFAOYSA-N. CAS Registry Number: 85-44-9. Chemical name (on IUPAC): 1,3-Dihydro-2-benzofuran-1,3-dione. Compendium of Chemical Terminology, 2nd ed. What is the term for diagonal bars which are making rectangular frame more rigid? Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. EC number: 932-014-6 | CAS number: - . Making statements based on opinion; back them up with references or personal experience. It is the anhydride of phthalic acid. Application. Phthalic anhydride is the organic compound with the formula :-C 6 H 4 (CO) 2 O. R05384.png. Description. How to name molecules with a hydroxyl group in a side chain? site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Using Method (1), the first step is naming the heterocyclic component as follows. Method (1) generates preferred IUPAC names. It is a cyclic dicarboxylic anhydride and a member of 2-benzofurans. Phthalic acid is an aromatic dicarboxylic acid, with formula C 6 H 4 (CO 2 H) 2. Phthalic Anhydride Suppliers USA. InChIs consist of text strings comprising different layers and sublayers of information separated by slashes (/). C 4 H 2 O 3. Phthalic anhydride is a principal commercial form of phthalic acid. Help. Phthalic anhydride is a skin irritant. In 2000, the worldwide production volume was estimated to be about 3 million tonnes per year. Accordingly, the name ‘benzofuran’ consists of the prefix ‘benzo’ followed by the retained name ‘furan’. Information on Registered Substances comes from registration dossiers which have been assigned a registration number. Use MathJax to format equations. This white solid is an important industrial chemical, especially for the large-scale production of plasticizers for plastics. Does healing an unconscious, dying player character restore only up to 1 hp unless they have been stabilised? Phthalic anhydride is a principal commercial form of phthalic acid. P-25.2.2.4 Heteromonocyclic components fused to a benzene ring, Unless listed as a retained name (…), a benzene ring fused to a heteromonocycle of five or more members (a benzoheterocycle) is named by placing the locant(s) indicating the position(s) of the heteroatom(s) at the front of the name consisting of the fusion prefix ‘benzo’ followed by a retained name, a Hantzsch-Widman systematic name, or a name formed by skeletal replacement (‘a’) nomenclature (…). Nomenclature of Anhydrides. C6H4(CH3)2 + 7.5 O2 → C4H2O3 +4 H2O + 4 CO2 The rea… Phthalic anhydride is the organic compound with the formula :-C6H4(CO)2O. Asking for help, clarification, or responding to other answers. Naming substituted branched alkanes with different projections. GOST 7119-77. Phthalic anhydride is obtained either by catalytic oxidation of ortho-xylene with O 2 or by catalytic oxidation of naphthalene (called the Gibbs phthalic anhydride process 1918). *Please select more than one item to compare Maleic anhydride is obtained as a by-product from the production of Phthalic anhydride. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. About 10% of maleic anhydrideis also produced: 1. Wikipedia IUPAC names are in my experience about 50/50 , hence why I didn't just run with that. It has a role as an allergen. Phthalic acid is one of three isomers of benzenedicarboxylic acid, the others being isophthalic acid and terephthalic acid. MathJax reference. Why would the ages on a 1877 Marriage Certificate be so wrong? The locants cited correspond to the full bicyclic structure. Name of a product: Phthalic Anhydride (A technical grade). IUPAC Standard InChI: InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6 (5)8 (10)11-7/h1-4H. You can also view suppliers in Australia, NZ or the UK. Aggiornare Internet Explorer a una versione più recente. Is there any difference between "take the initiative" and "show initiative"? Chiuso Non mostrare più questo messaggio. MacBook in bed: M1 Air vs. M1 Pro with fans disabled. PHTHALIC ANHYDRIDE - chemical information, properties, ... PHTHALIC ANHYDRIDE . Why battery voltage is lower than system/alternator voltage, Why is the
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