The grafting of phthalic anhydride in the polysaccharide structure may improve antimicrobial activity by inserting hydrophobic groups capable of interacting with microorganisms. Phthalic anhydride is a direct but delayed irritant of the skin. Prolonged or repeated exposure also may cause dermatitis. 5.5.) It is an important industrial chemical, especially for the large-scale production of plasticizers for plastics. 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. Kinetic studies of photochemical transformations of phthalic anhydride in all aqueous media Order Phthalic anhydride as Catalog No. The ACGIH assigned a TLV-TWA of 1 ppm for phthalic anhydride (Ref. 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. MATERIAL SAFETY DATA SHEET (MSDS) www.lobachemie.com 17/01/2019 1/11 PHTHALIC ANHYDRIDE FOR SYNTHESIS MSDS CAS-No. (Ref. Trade names . 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. 1. This monograph for Phthalic Anhydride provides, in addition to common physical constants, a general description including typical appearance, applications, and change in state (approximate). of phthalic anhydride in various aquatic media were conducted in a photochemical reactor and in natural sunlight (Bajt, 1992). It increases the electrophilicity of pthalic anhydride in the first step, and facilitates the elimination of the hydroxyl groups. Description and uses 85-44-9 - Phthalic anhydride - AccuStandard The store will not work correctly in the case when cookies are disabled. Draw the polymer that results from phthalic anhydride and glycerol. Phthalic Anhydride (PA) 2020 World Market Outlook and Forecast up to 2029 grants access to the unique data on the examined market. Inhalation Remove to fresh air. Phthalic Anhydride : ลักษณะ: สูตรทางเคมี C 6 H 4 (CO) 2 O CAS #. 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. It is more severely irritating in the presence of water, due to the pronounced effects of the phthalic acid which is formed. The molecular structure is based on structures generated from information available in ECHA’s databases. Phthalic anhydride market is likely to witness an impressive CAGR of 5.2% during the forecast period. It was the first anhydride of a dicarboxylic acid to be used commercially. 85-44-9 เป็นผงหรือแผ่นสีขาว ละลายน้ำได้ : กลิ่น : กลิ่นสาบ : การใช้งาน. 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. Search results for Phthalic anhydride at Sigma-Aldrich. Groups of 50 rats of each sex were administered phthalic anhydride at one of 2 doses, either 7.500 or 15.000 ppm (ca. 5.6.). Stars This entity has been manually … 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. 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. 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. Articles of Phthalic anhydride are included as well. CAS No. 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. 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. Molecular structure. Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Phthalic anhydride Revision Date 23-Jan-2018 Skin Contact Wash off immediately with plenty of water for at least 15 minutes. If breathing is difficult, give oxygen. 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 = … - Find MSDS or SDS, a COA, data sheets and more information. The structure of the intermediate was determined. Phthalic anhydride is a principal commercial form of phthalic acid. 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 500, 1000 mg/kg bw/d) for 105 weeks. Phthalic Anhydride is obtained by catalytic reforming of ortho-Xylene or naphtalene. *Please select more than one item to compare Phthalic anhydride is the organic compound with the formula :-C6H4(CO)2O. phthalic anhydride: ChEBI ID CHEBI:36605: Definition The cyclic dicarboxylic anhydride that is the anhydride of phthalic acid. 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. Structure of Phthalic anhydride. On the following pages you can find a lot of information about the LANXESS product range. 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. ( MSDS ) www.lobachemie.com 17/01/2019 1/11 phthalic anhydride for synthesis for: anhydride! Cookies are disabled the cyclic dicarboxylic anhydride that is the organic compound with the formula: (... ) 2 O cas # anhydride: ChEBI ID CHEBI:36605: Definition the cyclic dicarboxylic anhydride is. Of information about the lanxess product range anhydride - AccuStandard the store not... 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