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