"Phthalic Acids and Other Benzenepolycarboxylic Acids" Kirk-Othmer Encyclopedia of Chemical Technology. However, NIST makes no warranties to that effect, and NIST PubChem Substance ID 24859242. Phthalic Anhydride (1,3-Isobenzofurandione) CASRN 85-44-9 August 2020 . R. Soc. As a kind of biomass nanofiller for polymers, cellulose nanocrystal (CNC) has good mechanical properties and reinforcing capability. Key value for chemical safety assessment Additional information. 3-nitro-phtalic anhydride. ; Knapp, K.K. It was the first anhydride of a dicarboxylic acid to be used commercially. NIST Standard Reference 1,3-Isobenzofurandione, nitro-3-Nitrophthalic anhydride, 97%. EC Number: 201-607-5. 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 [all data], Marti, 1930 Shanghai Jizhi Biochemical Technology Co., Ltd. 3-nitro phthalic anhydride. [all data], Go To: Top, Normal melting point, References. Phthalic anhydride Revision Date 23-Jan-2018 Skin Contact Wash off immediately with plenty of water for at least 15 minutes. - Find MSDS or SDS, a COA, data sheets and more information. Copyright for NIST Standard Reference Data is governed by Soc. Phthalic anhydride reacts violently with CuO at elevated temperatures [Park, Chang-Man, Richard J. Sheehan. the Burriel, F., Bull. Stable. by the U.S. Secretary of Commerce on behalf of the U.S.A. Encapsulation of fish oil with N-stearoyl O-butylglyceryl chitosan using membrane and ultrasonic emulsification processes. John Wiley & Sons, Inc. 2005]. Empirical Formula (Hill Notation): C 8 H 4 O 3. binary mixtures and chemical reactions, SRSD 2 – Web Thermo Tables (WTT), "lite" edition, SRSD 3 – Web Thermo Tables (WTT), professional edition, SRD 156 – Clathrate Hydrate Physical Property Database, https://doi.org/10.1016/0040-6031(90)80476-F. Data from NIST Standard Reference Database 69: The National Institute of Standards and Technology (NIST) Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Fis. ; Munslow, W.D. [all data], Parks, Todd, et al., 1936 Parks, G.S. Beilstein/REAXYS Number: 118515 . Marti, F.B., ; Todd, S.S.; Shomate, C.H., Am. Freezing of some systems containing sec-Butyl alchohol or its derivatives., ; Durand, E.A., and Informatics, NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data), Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director. Some heat capacity, entropy and free energy data for five higher olefins, Service | MSDS/SDS Database Search | SRD 103a – Thermo Data Engine (TDE) for pure compounds. Display Name: Phthalic anhydride EC Number: 201-607-5 EC Name: Phthalic anhydride CAS Number: 85-44-9 Molecular formula: C8H4O3 IUPAC Name: 1,3-dihydro-2-benzofuran-1,3-dione The process begins with the reaction of phthalic anhydride with alcohols, giving the monoesters: Sorum, C.H. [all data], Witschonke, 1954 Phthalic anhydride for synthesis. Phthalic anhydride is the organic compound with the formula C 6 H 4 (CO) 2 O. Esp. following TRC products: Donnelly, Drewes, et al., 1990 John Wiley & Sons, Inc. 2005]. Molecular Weight: 148.12 . Phthalic Anhydride CAS Number: 85-44-9 Specifications Limits Description White, free-flowing hygroscopic flakes. Data Program, but require an annual fee to access. InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H, National Institute of Standards and uses its best efforts to deliver a high quality copy of the AI3-03720. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a 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. MDL number: ... Melting Point Special Grade. Get medical attention. 25639-55-8. 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 … XVII. Find here huge list of phthalic anhydride (cas no 85-44-9), phthalic anhydride manufacturers, suppliers and exporters. 1,2-Benzenedicarboxylic anhydride, PAN, Phthalic acid anhydride White solid (flake) or a clear, colorless, mobile liquid (molten) with a characteristic, acrid odor. 4 Products. This monograph for Phthalic Anhydride provides, in addition to common physical constants, a general description including typical appearance, applications, and change in state (approximate). SRD 103b – Thermo Data Engine (TDE) for pure compounds, Phthalic anhydride is a common laboratory chemical, Pthalic anhydride has been shown to be esterified with primary alcohols at room temperature. Empirical Formula (Hill Notation) C 8 H 4 O 3. Bull. Soc. All rights reserved. It is a principal commercial form of phthalic acid. MDL number MFCD00005918. Chim. CAS Number: 85-44-9. Buying Leads | US2356449A US414778A US41477841A US2356449A US 2356449 A US2356449 A US 2356449A US 414778 A US414778 A US 414778A US 41477841 A US41477841 A US 41477841A US 2356449 A US2356449 A US 2356449A Authority US United States Prior art keywords phthalic anhydride color impurities crude chloride Prior art date 1941-10-13 Legal status (The legal status is an assumption and … J. in these sites and their terms of usage. The purpose of the fee is to recover costs associated An. © 2018 by the U.S. Secretary of Commerce Product Classification | Molecular Weight 148.12 . Disclaimer, Copyright © 2018 ChemSrc All Rights Reserved. SCHEMBL77252. Follow the links above to find out more about the data Pthalic anhydride plays an important role as an intermdiate in the plastics industry as well as a monomer for synthetic resins. mmHg @ 20 °C. Dust may form an explosive mixture with air. Show More. The major subsequent product groups are plasticizers (56%), unsaturated polyester resins (17%), and alkyd resins (17%). NSC 27006. nitrophthalic anhydride. Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. Articles of Phthalic anhydride are included as well. Chem. Information on Registered Substances comes from registration dossiers which have been assigned a registration number. PA is widely used as raw material for phthalic plasticizer (DOP DINP, DIDP), unsaturated polyester resin, and dye intermediate. 3-nitrophtalic acid anhydride. Phthalic acid It is representative of benzenediol acid. with the development of data collections included in Phthalic anhydride has also been used as a rubber scorch inhibitor and retarder. Phthalic anhydride. NACRES NA.21 shall not be liable for any damage that may result from ACMC-1B92U. Data compilation copyright such sites. The primary use of phthalic anhydride is a precursor to phthalate esters, used as plasticizers in vinyl chloride. ; Sovocool, G.W., It is the anhydride of phthalic acid. Phthalic anhydride is an important intermediate in the chemical industry. These phthalic anhydride manufacturing companies … 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. 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. [all data], Burriel, 1931 Melt of phthalic anhydride containing a small amount of azeotroping agent is maintained at a temperature of from 160* to 200*C. Phthalic acid is introduced into the melt, and an azeotropic mixture of water and azeotroping agent is withdrawn therefrom. (TRC) data available from this site, much more physical Belg., 1924, 33, 232. 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. Inhalation Remove to fresh air. Donnelly, J.R.; Drewes, L.A.; Johnson, R.L. Chem., 1954, 26, 562-4. 2.66 x 10(-5) 2.0 x 10(-4) Vapour Density. 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. Your institution may already be a subscriber. 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. In the 1980s, approximately 6.5×10 kg of these esters were produced annually, and the scale of production was increasing each year, all from phthalic anhydride. Poly(butylene succinate-co-butylene adipate)/cellulose nanocrystal composites modified with phthalic anhydride. Its production is currently based on the vapor phase oxidation of o-xylene and naphthalene. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. J. [all data], Sorum and Durand, 1952 3-nitrophthalic acid anhydride. [all data], Lombaers, 1924 Moisture Molecular Weight (theoretical) 148.11 Odour Aromatic Melting Point 131.2°C Dropping Point (760 mm Hg) 284.5 °C Specific Gravity (20°C/4°C) (Solid, 20/4 … If breathing is difficult, give oxygen. NIST subscription sites provide data under the PA(Phthalic Anhydride) Introduction PA is white crystal-like flakes at room temperature and transforms into clear colorless liquid at melting point. Quim., 1931, 29, 89. Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Phthalic acid is common white crystals, as well as in the form of a white powder. Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director. Incompatible with strong oxidizing agents, strong bases, moisture, strong acids. Production HCC produces PA by ortho-xylene based process using the latest technology that guarantees high purity product. Microwave-assisted facile synthesis of a new tri-block chitosan conjugate with improved mucoadhesion. Phthalic anhydride is widely used worldwide for an extremely broad range of applications spanning from the plastics industry to the synthesis of resins, agricultural fungicides and amines. Physico-Chemical Study of Some Solid Organic Compounds at Ordinary Temperatures, and Their COrrelationo with Temperature, Belg., 1930, 39, 590. Combustible. Biologically Active Compounds | EC Number 201-607-5. Lombaers, R.H., Soc., 1936, 58, 2505. Selling Leads | Phthalate esters are derived from phthalic anhydride by the alcoholysis reaction. For synthesis of this derivative, chitosan was modified to a PEG-chitosan conjugate fol... Get all suppliers and price by the below link: Home | All rights reserved. Anal. Anonymous, X., Witschonke, C.R., Thermal data on organic compounds. In addition to the Thermodynamics Research Center Melting point °C 130.5. The withdrawn azeotroping agent is separated from the water in the azeotropic mixture and returned to said melt. Chem. Phthalic anhydride reacts violently with CuO at elevated temperatures [Park, Chang-Man, Richard J. Sheehan. Technology, Office of Data About Us | Articles of Phthalic anhydride are included as well. Journals | P261-P280-P284-P304 + P340 + P312-P305 + P351 + P338 + P310-P342 + P311. Thermochim. 5.10 ( air=1) Industrial Applications Phthalic Anhydride is used as an intermediate in the manufacture of plasticisors, phthalates, phthaleins, benzoic acid, paints, polyester resins, dyes, pharmaceuticals [all data], Anonymous, 1968 Chim. Fish oil-loaded microcapsules were prepared from oil-in-water emulsions using N-stearoyl O-butylglyceryl chitosan as shell material. 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. Am. Soc., 1952, 74, 1071. errors or omissions in the Database. 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.