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

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