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 The withdrawn azeotroping agent is separated from the water in the azeotropic mixture and returned to said melt.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