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

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