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