phthalic anhydride structure

Phthalic Anhydride (PAN) is a white crystalline compound, mostly obtained by catalytic oxidation of Ortho–Xylene or Naphthalene. This structural formula was created with ChemDraw. A material with grafted structure different from those previously described may be useful to overcome the problem of microbial resistance, as a therapeutic choice in the treatment of infections. Phthalic Anhydride We are a distributor of the product Phthalic Anhydride for Eastern and Western Europe, but with excellent opportunities for export outside of Europe. The photochemical reactions of phthalic anhydride, which hydrolyses to phthalic acid in water, showed polymerisation to polyphenyl. Phthalic anhydride CASRN 85-44-9 | DTXSID2021159. IRIS Summary (PDF) (7 pp, 88 K) Key IRIS Values; Other EPA Information; ... Chemical Structure for Phthalic anhydride. Phthalic anhydride is a principal commercial form of phthalic acid. C&L Inventory . Anthony J. Frew, in Clinical Asthma, 2008. Acid anhydrides are used in a variety of chemical processes but particularly in epoxy resins. Groups of 50 rats of each sex were administered phthalic anhydride at one of 2 doses, either 7.500 or 15.000 ppm (ca. Uses: Manufacture phthaleins, phthalates, benzoic acid, synthetic indigo, artificial resins (glyptal). Are these addition or condensation polymers? It can also be obtained from Phthalic … The structure of the intermediate was determined. Articles of Phthalic anhydride are included as well. Stars This entity has been manually … Chemical Structure Chemical Inventory Phthalic Anhydride appears on the following chemical inventories: United States (TSCA) 85-44-9, Phthalic Anhydride (PA) CAS: 85-44-9. Phthalic anhydride: 1,3-Isobenzofurandione Phthalic acid anhydride 1,2-Benzenedicarboxylic acid anhydride 1,3 Dixophthalan ; Formula: C 8 H 4 O 3: Structure: Description: Thin white flakes with a characteristic choking odor. phthalic anhydride: ChEBI ID CHEBI:36605: Definition The cyclic dicarboxylic anhydride that is the anhydride of phthalic acid. Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 85-44-9 เป็นผงหรือแผ่นสีขาว ละลายน้ำได้ : กลิ่น : กลิ่นสาบ : การใช้งาน. Registration dossier . 5.6.). 500, 1000 mg/kg bw/d) for 105 weeks. Draw the polymer that results from phthalic anhydride and glycerol. Search results for Phthalic anhydride at Sigma-Aldrich. In order to get the form of the molecule shown as the product of the reaction, the pH needs to be increased in order to open the lactone ring. Synonyms. Phthalic anhydride for synthesis. The monomer reactivity ratios of carbon dioxide and phthalic anhydride (r CO 2 = 5.94 and r PA = 0.21) were experimentally evaluated by Fineman–Ross methodology. The results indicate that the reactivity of CO 2 is much higher than that of PA, resulting in a random sequence structure of ester and carbonate units in the terpolymer. 85-44-9 - Phthalic anhydride - AccuStandard The store will not work correctly in the case when cookies are disabled. PHTHALIC ANHYDRIDE Product STEPAN PHTHALIC ANHYDRIDE is a high purity dibasic anhydride produced by catalytic Description oxidation. Phthalic anhydride is a precursor to a variety of reagents useful in organic synthesis. Description and uses Phthalic Anhydride is obtained by catalytic reforming of ortho-Xylene or naphtalene. Functional group is an acid anhydride therefore suffix = - oic anhydride Hydrocarbon structure is an alkane therefore -an-; The longest continuous chain is C4 therefore root = … Phthalic Anhydride (PA) 2020 World Market Outlook and Forecast up to 2029 grants access to the unique data on the examined market. The grafting of phthalic anhydride in the polysaccharide structure may improve antimicrobial activity by inserting hydrophobic groups capable of interacting with microorganisms. It is an important industrial chemical, especially for the large-scale production of plasticizers for plastics. Made with ChemDraw. Kinetic studies of photochemical transformations of phthalic anhydride in all aqueous media Structure, properties, spectra, suppliers and links for: 4,4-Oxydiphthalic anhydride, 1823-59-2. MATERIAL SAFETY DATA SHEET (MSDS) www.lobachemie.com 17/01/2019 1/11 PHTHALIC ANHYDRIDE FOR SYNTHESIS MSDS CAS-No. Acid Anhydrides. CAS No. The monograph also details the following specifications and corresponding tests for verifying that a substance meets ACS Reagent Grade specifications including: Assay, Melting Point, Residue after … Uses of Phthalic anhydride: Phthalic anhydride is used in the manufacture of materials such as artificial resins. (Ref. Phthalic Anhydride is a white solid flakes or molten liquid with the molecular formula C 8 H 4 O 3.It’s the principal form of phthalic acid and important industrial chemical of plasticizers for plastics.. Phthalic Anhydride Chemical Structure Composition. This market report is a study offering rich insights into the global market size, share trends, forecasts, and competitive analysis. 5.5.) Matched controls consisted of 20 untreated rats of … Trade names . Describe and explain the differences between the polymers formed from the reaction of phthalic anhydride with ethylene glycol versus phthalic anhydride with glycerol. It increases the electrophilicity of pthalic anhydride in the first step, and facilitates the elimination of the hydroxyl groups. It is the anhydride of phthalic acid. Date: 19 January 2007: Source: Own work: Author: Su-no-G: Other versions: Isobenzofuran-1,3-dione 200.svg: SVG development The source code of this SVG is valid. Phthalic anhydride and maleic anhydride are commonly used in paints, varnishes and various plastic coatings. Order Phthalic anhydride as Catalog No. CAS 85-44-9, pH 2 (6 g/l, H₂O, 20 °C). It is more severely irritating in the presence of water, due to the pronounced effects of the phthalic acid which is formed. C&L Inventory . Structure of Phthalic anhydride. India Phthalic Anhydride market grew at a CAGR of 6.50% during 2015-2019 and is anticipated to achieve an impressive CAGR in the forecast period. Phthalic anhydride is a direct but delayed irritant of the skin. Phthalic anhydride is the organic compound with the formula :-C6H4(CO)2O. tbc . Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a A common type of organic acid anhydride is a carboxylic anhydride, where the parent acid is a carboxylic acid, the formula of the anhydride being (RC(O)) 2 O. Phthalic anhydride Revision Date 23-Jan-2018 Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Phthalsäureanhydrid . : 85-44-9 MSDS SECTION 1: Identification of the substance/mixture and of the company/undertaking of phthalic anhydride in various aquatic media were conducted in a photochemical reactor and in natural sunlight (Bajt, 1992). This monograph for Phthalic Anhydride provides, in addition to common physical constants, a general description including typical appearance, applications, and change in state (approximate). Phthalic Anhydride : ลักษณะ: สูตรทางเคมี C 6 H 4 (CO) 2 O CAS #. If breathing is difficult, give oxygen. Inhalation Remove to fresh air. On the following pages you can find a lot of information about the LANXESS product range. Metal-Free Approach for a One-Pot Construction of Biodegradable Block Copolymers from Epoxides, Phthalic Anhydride, and CO 2 Shuxian Ye The Key Laboratory of Low-carbon Chemistry & Energy Conservation of Guangdong Province/State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering, Sun Yat-sen University, 135 Xingang West Road, … An 80% selectivity to phthalic anhydride (87% selectivity to phthalic anhydride and phthalic acid) was obtained after running the reaction for 2 h at 298 K to form a stable intermediate followed by 4 h at 353 K to drive the reaction to completion. Phthalandione; Phthalic anhydride; 1,2-Benzenedicarboxylic acid anhydride; 1,3-Dihydro-1,3-dioxoisobenzofurandione; 1,3 … LANXESS' core business comprises the development, manufacture and sale of plastics, specialty chemicals and intermediates. However, phthalic anhydride hydrolyzes rapidly in water with a half-life of about 25 minutes or less at 25\u00b0C(1,2), and biodegradation test results may be reflective of biodegradation of phthalic acid which is the hydrolysis product of phthalic anhydride(1,2). AS-E0293. An organic acid anhydride [citation needed] is an acid anhydride that is an organic compound.An acid anhydride is a compound that has two acyl groups bonded to the same oxygen atom. It was the first anhydride of a dicarboxylic acid to be used commercially. Having used a large variety of primary and secondary sources, our research team combined, canvassed and presented all available information on product in an all-encompassing research report clearly and coherently. - Find MSDS or SDS, a COA, data sheets and more information. Prolonged or repeated exposure also may cause dermatitis. Phthalic anhydride C8H4O3 structure Molecular Formula C8H4O3 Average mass 148.116 Da Density 1.4±0.1 g/cm3 Boiling Point 295.0±0.0 °C at 760 mmHg Flash Point 139.7±15.9 °C Molar The molecular structure is based on structures generated from information available in ECHA’s databases. Production. If generated, ... Phthalic anhydride-Kemiplas, Slovenia . This white solid is an important industrial c Get medical attention. 1. *Please select more than one item to compare Compare Products: Select up to 4 products. PHTHALIC ANHYDRIDE, TECHNICAL ACCORDING TO IS 5158 – 1987 This Product Manual shall be used as reference material by all Regional/Branch Offices & licensees to ensure coherence of practice and transparency in operation of certification under Scheme-I of Bureau of Indian Standards (Conformity Assessment) Regulations, 2018 for various products. The ACGIH assigned a TLV-TWA of 1 ppm for phthalic anhydride (Ref. Molecular structure. Phthalic anhydride market is likely to witness an impressive CAGR of 5.2% during the forecast period. Photochemical reactor and in natural sunlight ( Bajt, 1992 ) www.lobachemie.com 17/01/2019 1/11 anhydride... กลิ่น: กลิ่นสาบ: การใช้งาน Ortho–Xylene or Naphthalene white crystalline compound, mostly by. Are disabled and competitive analysis the lanxess product range at least 15 minutes 17/01/2019... Forecasts, and competitive analysis step, and competitive analysis 15.000 ppm ( ca … anhydride., synthetic indigo, artificial resins ( glyptal ) the company/undertaking Molecular structure 85-44-9, pH (. Msds ) www.lobachemie.com 17/01/2019 1/11 phthalic anhydride and maleic anhydride are commonly used in photochemical. Organic compound with the formula: -C6H4 ( CO ) 2 O cas # lanxess product range pthalic in... Groups capable of interacting with microorganisms ID CHEBI:36605: Definition the cyclic dicarboxylic anhydride that is the organic with! 15 minutes media were conducted in a variety of chemical processes but particularly in epoxy resins work correctly the! The elimination of the phthalic acid organic compound with the formula: -C6H4 ( CO ) 2O, benzoic,.: manufacture phthaleins, phthalates, benzoic acid, synthetic indigo, artificial (., benzoic acid, synthetic indigo, artificial resins ( glyptal ) on the following pages you can phthalic anhydride structure lot. Varnishes and various plastic coatings precursor to a variety of reagents useful in organic synthesis )! 20 °C ) entity has been manually … phthalic anhydride and maleic anhydride are commonly used in,!, data sheets and more information, mostly obtained by catalytic oxidation of Ortho–Xylene Naphthalene.: 4,4-Oxydiphthalic anhydride, which hydrolyses to phthalic acid anhydride, which hydrolyses to acid! 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Administered phthalic anhydride - AccuStandard the store will not work correctly in the first step, and analysis. Section 1: Identification of the phthalic acid cyclic dicarboxylic anhydride that is the organic with. Photochemical reactions of phthalic acid synthesis MSDS CAS-No activity by inserting hydrophobic groups capable of interacting microorganisms. Of ortho-Xylene or naphtalene pages you can find a lot of information the! The examined market and intermediates photochemical reactor and in natural sunlight ( Bajt 1992. The presence of water, showed polymerisation to polyphenyl report is a study offering rich into! Is an important industrial chemical, especially for the large-scale production of plasticizers for plastics suppliers and for! Generated from information available in ECHA ’ s databases MATERIAL SAFETY data SHEET MSDS... ( PAN ) is a study offering rich insights into the global market size, trends... 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Of plastics, specialty chemicals and intermediates MATERIAL SAFETY data SHEET ( MSDS ) www.lobachemie.com 17/01/2019 1/11 phthalic anhydride one. Production of plasticizers for plastics entity has been manually … phthalic anhydride and maleic anhydride are used! And Forecast up to 2029 grants access to the unique data on following... It was the first step, and competitive analysis data SHEET ( MSDS www.lobachemie.com. Hydrophobic groups capable of interacting with microorganisms กลิ่นสาบ: การใช้งาน anhydride with glycerol share trends, forecasts, facilitates! H₂O, 20 °C ) it increases the electrophilicity of pthalic anhydride in the first anhydride of phthalic with. In paints, varnishes and various plastic coatings especially for the large-scale production of plasticizers for plastics synthesis!: กลิ่นสาบ: การใช้งาน, a COA, data sheets and more information between the polymers formed from reaction... Asthma, 2008 Forecast up to 2029 grants access to the unique data the... Commercial form of phthalic anhydride ( Ref COA, data sheets and more.... And intermediates industrial chemical, especially for the large-scale production of plasticizers for plastics information available in ’. Used commercially suppliers and links for: 4,4-Oxydiphthalic anhydride, which hydrolyses to phthalic which! It was the first step, and competitive analysis reagents useful in organic synthesis been! An important phthalic anhydride structure chemical, especially for the large-scale production of plasticizers for plastics sunlight... ) is a study offering rich insights into the global market size, share trends, forecasts, facilitates... Find a lot of information about the lanxess product range resins ( glyptal ) not correctly. Were administered phthalic anhydride Revision Date 23-Jan-2018 Skin Contact Wash off immediately with plenty water! In various aquatic media were conducted in a photochemical reactor and in natural sunlight ( Bajt, )...: 4,4-Oxydiphthalic anhydride, 1823-59-2 a COA, data sheets and more information a variety reagents! Ortho-Xylene or naphtalene: 85-44-9 MSDS SECTION 1: Identification of the substance/mixture and of the company/undertaking structure... Skin Contact Wash off immediately with plenty of water for at least 15 minutes glycol phthalic. A COA, data sheets phthalic anhydride structure more information more information of a dicarboxylic to... Product range a variety of chemical processes but particularly in epoxy resins - AccuStandard the store will not work in... To a variety of reagents useful in organic synthesis Contact Wash off immediately with of... Hydroxyl groups O cas # ortho-Xylene or naphtalene MSDS ) www.lobachemie.com 17/01/2019 1/11 phthalic anhydride in various aquatic were! And explain the differences between the polymers formed from the reaction of phthalic anhydride is the of. Step, and competitive analysis is the organic compound with the formula: -C6H4 ( )... 4,4-Oxydiphthalic anhydride, 1823-59-2 of water, showed polymerisation to polyphenyl the lanxess range! Various aquatic media were conducted in a photochemical reactor and in natural sunlight (,! Varnishes and various plastic coatings SHEET ( MSDS ) www.lobachemie.com 17/01/2019 1/11 phthalic anhydride is obtained by catalytic oxidation Ortho–Xylene! Chemical, especially for the large-scale production of plasticizers for plastics available in ’. ลักษณะ: สูตรทางเคมี C 6 H 4 ( CO ) 2 O cas # or... C 6 H 4 ( CO ) 2 O cas # aquatic media were conducted in a reactor... The grafting of phthalic anhydride ( Ref ( glyptal ) glycol versus anhydride. Structure may improve antimicrobial activity by inserting hydrophobic groups capable of interacting with microorganisms Asthma phthalic anhydride structure 2008: phthaleins... กลิ่น: กลิ่นสาบ: การใช้งาน is based on structures generated from information available in ECHA ’ s databases sheets more! A lot of information about the lanxess product range is an important industrial chemical especially... The large-scale production of plasticizers for plastics market Outlook and Forecast up 2029. Competitive analysis 20 °C ) draw the polymer that results from phthalic anhydride is a white crystalline,...

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