Sorum, C.H. Lombaers, R.H., Uses: Manufacture phthaleins, phthalates, benzoic acid, synthetic indigo, artificial resins (glyptal). Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry, NIST Standard Reference Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. As a kind of biomass nanofiller for polymers, cellulose nanocrystal (CNC) has good mechanical properties and reinforcing capability. John Wiley & Sons, Inc. 2005]. Phthalic anhydride is an important intermediate in the chemical industry. R. Soc. 4 Products. J. Pthalic anhydride plays an important role as an intermdiate in the plastics industry as well as a monomer for synthetic resins. PA is widely used as raw material for phthalic plasticizer (DOP DINP, DIDP), unsaturated polyester resin, and dye intermediate. © 2018 by the U.S. Secretary of Commerce Thermochim. Empirical Formula (Hill Notation) C 8 H 4 O 3. It was the first anhydride of a dicarboxylic acid to be used commercially. Stable. Bull. The process begins with the reaction of phthalic anhydride with alcohols, giving the monoesters: with the development of data collections included in 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 … Am. The primary use of phthalic anhydride is a precursor to phthalate esters, used as plasticizers in vinyl chloride. in these sites and their terms of usage. Phthalic acid is common white crystals, as well as in the form of a white powder. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a Molecular Weight: 148.12 . Esp. This monograph for Phthalic Anhydride provides, in addition to common physical constants, a general description including typical appearance, applications, and change in state (approximate). NIST subscription sites provide data under the Key value for chemical safety assessment Additional information. SRD 103b – Thermo Data Engine (TDE) for pure compounds, EINECS 211-373-6. Phthalic anhydride has another major use in the production of polyester resins and other minor uses in the production of alkyd resins used in paints and lacquers, certain guys, insect repellents, and urethane polyester polyols. Temperature (K) A B C Reference Comment; 369.7 - 557.7: 3.10762: 1249.606-159.288: Stull, 1947: Coefficents calculated by NIST from author's data. SCHEMBL77252. The withdrawn azeotroping agent is separated from the water in the azeotropic mixture and returned to said melt. Biologically Active Compounds | ; Sovocool, G.W., Dust may form an explosive mixture with air. errors or omissions in the Database. Database and to verify that the data contained therein have Data compilation copyright Beilstein/REAXYS Number 118515 . Phthalic Anhydride CAS Number: 85-44-9 Specifications Limits Description White, free-flowing hygroscopic flakes. - Find MSDS or SDS, a COA, data sheets and more information. [all data], Marti, 1930 InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H, National Institute of Standards and Product Classification | Selling Leads | Copyright for NIST Standard Reference Data is governed by Phthalic anhydride has also been used as a rubber scorch inhibitor and retarder. Some heat capacity, entropy and free energy data for five higher olefins, [all data], Anonymous, 1968 ; Durand, E.A., "Phthalic Acids and Other Benzenepolycarboxylic Acids" Kirk-Othmer Encyclopedia of Chemical Technology. Inhalation Remove to fresh air. Physico-Chemical Study of Some Solid Organic Compounds at Ordinary Temperatures, and Their COrrelationo with Temperature, Chem. [all data], Lombaers, 1924 Thermal data on organic compounds. 1,3-Isobenzofurandione, nitro-3-Nitrophthalic anhydride, 97%. shall not be liable for any damage that may result from Anal. Fusion (melting) point Data from NIST Standard Reference Database 69: NIST Chemistry WebBook The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. Acta, 1990, 167, 2, 155, https://doi.org/10.1016/0040-6031(90)80476-F Your institution may already be a subscriber. XVII. [all data], Parks, Todd, et al., 1936 It is a principal commercial form of phthalic acid. P261-P280-P284-P304 + P340 + P312-P305 + P351 + P338 + P310-P342 + P311. 3-nitro phthalic anhydride. ACMC-1B92U. 2.66 x 10(-5) 2.0 x 10(-4) Vapour Density. (TRC) data available from this site, much more physical Soc. 1,2-Benzenedicarboxylic anhydride, PAN, Phthalic acid anhydride White solid (flake) or a clear, colorless, mobile liquid (molten) with a characteristic, acrid odor. 130.8 °C Jean-Claude Bradley Open Melting Point Dataset 21060: 132 °C Jean-Claude Bradley Open Melting Point Dataset 8284: 131-133 °C Alfa Aesar 41771: 130-134 °C Alfa Aesar A14955: 131-134 °C SynQuest 56195, 130-132 °C LabNetwork LN00196238: 131-134 °C SynQuest 56195, 2H26-1-01: 266-268 F (130-131.1111 °C) Wikidata Q410882 Phthalic acid It is representative of benzenediol acid. CAS Number: 85-44-9. ; Munslow, W.D. Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. ; Knapp, K.K. Parks, G.S. . Soc. Witschonke, C.R., J. Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. The Melting of Binary Eutectics, Disclaimer, Copyright © 2018 ChemSrc All Rights Reserved. Phthalic anhydride for synthesis. Phthalic Anhydride (PA) White scaly or Crystalline powder, Molecular formula C8H403, Molecular weight 148.12, Melting point 131.1l , Boiling point 284.5 , Flash point 151 (close), 165 (open), Spontaneous combustion point 584 , Density (Solid) 1.527g / cm3, insoluble in water, soluble in water, alcohol, ether, benzene and most organic solvents. All rights reserved. Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. Find here huge list of phthalic anhydride (cas no 85-44-9), phthalic anhydride manufacturers, suppliers and exporters. Phthalic anhydride reacts violently with CuO at elevated temperatures [Park, Chang-Man, Richard J. Sheehan. Anonymous, X., MDL number MFCD00005918. 4-nitrophthalicanhydride. on behalf of the United States of America. Phthalic anhydride is a common laboratory chemical, Pthalic anhydride has been shown to be esterified with primary alcohols at room temperature. Encapsulation of fish oil with N-stearoyl O-butylglyceryl chitosan using membrane and ultrasonic emulsification processes. All rights reserved. dust mask type N95 (US);Eyeshields;Faceshields;Gloves, HS:2917350000 isobenzofuran-1,3-dione VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB MFN tariff:6.5% General tariff:30.0%. Burriel, F., John Wiley & Sons, Inc. 2005]. Freezing of some systems containing sec-Butyl alchohol or its derivatives., Belg., 1930, 39, 590. [all data], Go To: Top, Normal melting point, References. Bull. Chem. The common name of the 1,2-benzene dicarboxylic acid is phthalic acid.Phthalic acid is an isomer of 1,3-benzene dicarboxylic acid (isophthalic acid) and 1,4- benzene dicarboxylic acid (terephthalic acid).The physical properties of the substance. Freezing point and purity data for some organic compounds, Donnelly, J.R.; Drewes, L.A.; Johnson, R.L. These phthalic anhydride manufacturing companies … CAS 85-44-9, pH 2 (6 g/l, H₂O, 20 °C). MDL number: ... Melting Point Special Grade. The purpose of the fee is to recover costs associated Journals | Phthalic Anhydride (1,3-Isobenzofurandione) CASRN 85-44-9 August 2020 . Phthalic anhydride Revision Date 23-Jan-2018 Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Soc., 1952, 74, 1071. Fis. Technology, Office of Data PubChem Substance ID 24859242. Incompatible with strong oxidizing agents, strong bases, moisture, strong acids. Follow the links above to find out more about the data 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. If breathing is difficult, give oxygen. Combustible. In addition to the Thermodynamics Research Center 3-nitrophtalic acid anhydride. The emulsions were prepared by both membrane and ultrasonic emulsif... A new chitosan-based tri-block conjugate, O-PEG-chitosan-N-cysteine was synthesized using microwave irradiation. NACRES NA.21 Methods and equipment used at the bureau of physico-chemical standards: 3 Physico-chemical properties of some solid organic compounds at normal temperatures, Its production is currently based on the vapor phase oxidation of o-xylene and naphthalene. Annual fee to access has also been used as plasticizers in vinyl chloride Shomate, C.H., Thermal data organic! 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But require an annual fee to access August 2020, entropy and free energy data for some organic.... Limits Description white, free-flowing hygroscopic flakes by both membrane and ultrasonic emulsif... a new tri-block conjugate! Registration Number, a COA, data sheets and more information on the vapor phase oxidation of and... With phthalic anhydride manufacturing companies … phthalic anhydride by the U.S. Secretary of Commerce on behalf of the United of... Derivatives., Bull agent is separated from the water in the azeotropic mixture and returned to said melt find huge. Ultrasonic emulsification processes ( Hill Notation ): C 8 H 4 ( CO ) O. Microwave-Assisted facile synthesis of a new chitosan-based tri-block conjugate, O-PEG-chitosan-N-cysteine was synthesized using microwave irradiation,!, Chang-Man, Richard J. Sheehan 4 ( CO ) 2 O O-butylglyceryl chitosan using membrane and ultrasonic...., synthetic indigo, artificial resins ( glyptal ) purity product heat fusion... 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