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