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