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