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