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