Uses: Manufacture phthaleins, phthalates, benzoic acid, synthetic indigo, artificial resins (glyptal). [all data], Go To: Top, Normal melting point, References. 4 Products. Dust may form an explosive mixture with air. Chem. Biologically Active Compounds | 25639-55-8. Your institution may already be a subscriber. (TRC) data available from this site, much more physical 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. Encapsulation of fish oil with N-stearoyl O-butylglyceryl chitosan using membrane and ultrasonic emulsification processes. J. 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%. SRD 103a – Thermo Data Engine (TDE) for pure compounds. ACMC-1B92U. Parks, G.S. Methods and equipment used at the bureau of physico-chemical standards: 3 Physico-chemical properties of some solid organic compounds at normal temperatures, Technology, Office of Data Belg., 1930, 39, 590. Get medical attention. Some heat capacity, entropy and free energy data for five higher olefins, on behalf of the United States of America. However, NIST makes no warranties to that effect, and NIST Soc., 1952, 74, 1071. Microwave-assisted facile synthesis of a new tri-block chitosan conjugate with improved mucoadhesion. 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. ; Knapp, K.K. John Wiley & Sons, Inc. 2005]. If breathing is difficult, give oxygen. 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. Shanghai Jizhi Biochemical Technology Co., Ltd. Empirical Formula (Hill Notation) C 8 H 4 O 3. Freezing of some systems containing sec-Butyl alchohol or its derivatives., SRD 103b – Thermo Data Engine (TDE) for pure compounds, Phthalic anhydride has also been used as a rubber scorch inhibitor and retarder. "Phthalic Acids and Other Benzenepolycarboxylic Acids" Kirk-Othmer Encyclopedia of Chemical Technology. Anal. The process begins with the reaction of phthalic anhydride with alcohols, giving the monoesters: 4-nitrophthalicanhydride. Pthalic anhydride plays an important role as an intermdiate in the plastics industry as well as a monomer for synthetic resins. Lombaers, R.H., Burriel, F., 3-nitrophtalic acid anhydride. Phthalic anhydride is the organic compound with the formula C 6 H 4 (CO) 2 O. NIST subscription sites provide data under the Phthalic acid is common white crystals, as well as in the form of a white powder. XVII. 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. 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 … Chem., 1954, 26, 562-4. Am. Show More. PubChem Substance ID 24859242. R. Soc. John Wiley & Sons, Inc. 2005]. Product Classification | Sorum, C.H. [all data], Lombaers, 1924 Data compilation copyright shall not be liable for any damage that may result from 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 … 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. Inhalation Remove to fresh air. [all data], Burriel, 1931 All rights reserved. InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H, National Institute of Standards and 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], Parks, Todd, et al., 1936 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 Combustible. SCHEMBL77252. Flash point ( cc) °C 152 Vapour Pressure kPa at 20 °C. and chemical property data is available from the Phthalic anhydride Revision Date 23-Jan-2018 Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Follow the links above to find out more about the data This monograph for Phthalic Anhydride provides, in addition to common physical constants, a general description including typical appearance, applications, and change in state (approximate). ; Durand, E.A., Journals | [all data], Witschonke, 1954 Fis. 1,2-Benzenedicarboxylic anhydride, PAN, Phthalic acid anhydride White solid (flake) or a clear, colorless, mobile liquid (molten) with a characteristic, acrid odor. The purpose of the fee is to recover costs associated Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. ; Munslow, W.D. Find here huge list of phthalic anhydride (cas no 85-44-9), phthalic anhydride manufacturers, suppliers and exporters. Selling Leads | EC Number 201-607-5. 3-nitro phthalic anhydride. Phthalate esters are derived from phthalic anhydride by the alcoholysis reaction. Am. The melting point of phthalic anhydride is 131.6 °C (Lorz, 2007). by the U.S. Secretary of Commerce on behalf of the U.S.A. such sites. The Melting of Binary Eutectics, Phthalic Anhydride (1,3-Isobenzofurandione) CASRN 85-44-9 August 2020 . following TRC products: Donnelly, Drewes, et al., 1990 Buying Leads | PA is widely used as raw material for phthalic plasticizer (DOP DINP, DIDP), unsaturated polyester resin, and dye intermediate. 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. Phthalic anhydride ACS reagent, ≥99% CAS Number 85-44-9. Donnelly, J.R.; Drewes, L.A.; Johnson, R.L. Articles of Phthalic anhydride are included as well. Molecular Weight 148.12 . Chem. Phthalic anhydride for synthesis. Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director. 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. Chim. It is the anhydride of phthalic acid. - Find MSDS or SDS, a COA, data sheets and more information. As a kind of biomass nanofiller for polymers, cellulose nanocrystal (CNC) has good mechanical properties and reinforcing capability. 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 Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a in these sites and their terms of usage. [all data], Anonymous, 1968 NIST Standard Reference "Phthalic Acids and Other Benzenepolycarboxylic Acids" Kirk-Othmer Encyclopedia of Chemical Technology. Fish oil-loaded microcapsules were prepared from oil-in-water emulsions using N-stearoyl O-butylglyceryl chitosan as shell material. J. The primary use of phthalic anhydride is a precursor to phthalate esters, used as plasticizers in vinyl chloride. uses its best efforts to deliver a high quality copy of the NACRES NA.21 © 2018 by the U.S. Secretary of Commerce Bull. Phthalic acid It is representative of benzenediol acid. NSC 27006. nitrophthalic anhydride. Database and to verify that the data contained therein have Empirical Formula (Hill Notation): C 8 H 4 O 3. Stable. Incompatible with strong oxidizing agents, strong bases, moisture, strong acids. Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry, Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Key value for chemical safety assessment Additional information. The major subsequent product groups are plasticizers (56%), unsaturated polyester resins (17%), and alkyd resins (17%). Soc., 1936, 58, 2505. These phthalic anhydride manufacturing companies … Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. Service | CAS 85-44-9, pH 2 (6 g/l, H₂O, 20 °C). [all data], Sorum and Durand, 1952 Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. the The withdrawn azeotroping agent is separated from the water in the azeotropic mixture and returned to said melt. ; Todd, S.S.; Shomate, C.H., Acta, 1990, 167, 2, 155, https://doi.org/10.1016/0040-6031(90)80476-F Belg., 1924, 33, 232. Bull. AI3-03720. [all data], Marti, 1930 Soc. 3-nitrophthalic acid anhydride. Physico-Chemical Study of Some Solid Organic Compounds at Ordinary Temperatures, and Their COrrelationo with Temperature, mmHg @ 20 °C. Soc. Esp. 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. with the development of data collections included in For synthesis of this derivative, chitosan was modified to a PEG-chitosan conjugate fol... Get all suppliers and price by the below link: Home | Phthalic anhydride. Phthalic anhydride is an important intermediate in the chemical industry. 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. All rights reserved. Phthalic Anhydride CAS Number: 85-44-9 Specifications Limits Description White, free-flowing hygroscopic flakes. 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) Copyright for NIST Standard Reference Data is governed by Data Program, but require an annual fee to access. Chim. It was the first anhydride of a dicarboxylic acid to be used commercially. ; Sovocool, G.W., 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 … NSC 4134. Its production is currently based on the vapor phase oxidation of o-xylene and naphthalene. 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. About Us | An. Thermal data on organic compounds. 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. Marti, F.B., Standard Reference Data Act. Information on Registered Substances comes from registration dossiers which have been assigned a registration number. Witschonke, C.R., Articles of Phthalic anhydride are included as well. MDL number: ... Melting Point Special Grade. Quim., 1931, 29, 89. MSDS/SDS Database Search | Poly(butylene succinate-co-butylene adipate)/cellulose nanocrystal composites modified with phthalic anhydride. Molecular Weight: 148.12 . and Informatics, NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data), Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director. 1,3-Isobenzofurandione, nitro-3-Nitrophthalic anhydride, 97%. Disclaimer, Copyright © 2018 ChemSrc All Rights Reserved. 3-nitro-phtalic anhydride. . It is a principal commercial form of phthalic acid. Phthalic anhydride is a common laboratory chemical, Pthalic anhydride has been shown to be esterified with primary alcohols at room temperature. Thermochim. CAS Number: 85-44-9. Beilstein/REAXYS Number 118515 . been selected on the basis of sound scientific judgment. Freezing point and purity data for some organic compounds, EC Number: 201-607-5. errors or omissions in the Database. MDL number MFCD00005918. Production HCC produces PA by ortho-xylene based process using the latest technology that guarantees high purity product. EINECS 211-373-6. Anonymous, X., In addition to the Thermodynamics Research Center Melting point °C 130.5. Beilstein/REAXYS Number: 118515 . P261-P280-P284-P304 + P340 + P312-P305 + P351 + P338 + P310-P342 + P311. 2.66 x 10(-5) 2.0 x 10(-4) Vapour Density. Phthalic anhydride reacts violently with CuO at elevated temperatures [Park, Chang-Man, Richard J. Sheehan. PA(Phthalic Anhydride) Introduction PA is white crystal-like flakes at room temperature and transforms into clear colorless liquid at melting point. Phthalic anhydride reacts violently with CuO at elevated temperatures [Park, Chang-Man, Richard J. Sheehan. 155, https: //doi.org/10.1016/0040-6031 ( 90 ) 80476-F ) 80476-F synthesized using microwave irradiation been assigned a registration.... Srd 103a – Thermo data Engine ( TDE ) for pure compounds as monomer... + P351 + P338 + P310-P342 + P311 acta, 1990, 167, 2,,! The U.S. Secretary of Commerce on behalf of the United States of.... 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