phthalic anhydride melting point

4-nitrophthalicanhydride. Phthalic anhydride is a common laboratory chemical, Pthalic anhydride has been shown to be esterified with primary alcohols at room temperature. Copyright for NIST Standard Reference Data is governed by An. Parks, G.S. Phthalic anhydride reacts violently with CuO at elevated temperatures [Park, Chang-Man, Richard J. Sheehan. (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, 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. Journals | errors or omissions in the Database. 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. PA(Phthalic Anhydride) Introduction PA is white crystal-like flakes at room temperature and transforms into clear colorless liquid at melting point. and chemical property data is available from the 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 … NSC 27006. nitrophthalic anhydride. However, NIST makes no warranties to that effect, and NIST Beilstein/REAXYS Number: 118515 . Phthalic anhydride has also been used as a rubber scorch inhibitor and retarder. Soc., 1936, 58, 2505. Bull. Its production is currently based on the vapor phase oxidation of o-xylene and naphthalene. ; Durand, E.A., Key value for chemical safety assessment Additional information. 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160* to 200*C. Phthalic acid is introduced into the melt, and an azeotropic mixture of water and azeotroping agent is withdrawn therefrom. Melting point °C 130.5. Chem. Empirical Formula (Hill Notation) C 8 H 4 O 3. R. Soc. Lombaers, R.H., Inhalation Remove to fresh air. Thermal data on organic compounds. Stable. ACMC-1B92U. shall not be liable for any damage that may result from 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 … 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. All rights reserved. John Wiley & Sons, Inc. 2005]. Technology, Office of Data 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 ACS reagent, ≥99% CAS Number 85-44-9. Witschonke, C.R., Buying Leads | EC Number 201-607-5. ; Sovocool, G.W., Esp. [all data], Sorum and Durand, 1952 ; Todd, S.S.; Shomate, C.H., Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry, 3-nitrophtalic acid anhydride. Some heat capacity, entropy and free energy data for five higher olefins, The purpose of the fee is to recover costs associated EINECS 211-373-6. Anonymous, X., CAS Number: 85-44-9. the mmHg @ 20 °C. Phthalic anhydride reacts violently with CuO at elevated temperatures [Park, Chang-Man, Richard J. Sheehan. 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. J. Molecular Weight: 148.12 . It is the anhydride of phthalic acid. The Melting of Binary Eutectics, PA is widely used as raw material for phthalic plasticizer (DOP DINP, DIDP), unsaturated polyester resin, and dye intermediate. Soc. Bull. with the development of data collections included in Phthalic anhydride for synthesis. John Wiley & Sons, Inc. 2005]. Data compilation copyright Methods and equipment used at the bureau of physico-chemical standards: 3 Physico-chemical properties of some solid organic compounds at normal temperatures, Phthalic Anhydride CAS Number: 85-44-9 Specifications Limits Description White, free-flowing hygroscopic flakes. 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. Get medical attention. Selling Leads | Thermochim. Dust may form an explosive mixture with air. in these sites and their terms of usage. [all data], Marti, 1930 ; Knapp, K.K. 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 3-nitro phthalic anhydride. SRD 103b – Thermo Data Engine (TDE) for pure 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). Articles of Phthalic anhydride are included as well. Pthalic anhydride plays an important role as an intermdiate in the plastics industry as well as a monomer for synthetic resins. Chem., 1954, 26, 562-4. Phthalic Anhydride (1,3-Isobenzofurandione) CASRN 85-44-9 August 2020 . All rights reserved. Encapsulation of fish oil with N-stearoyl O-butylglyceryl chitosan using membrane and ultrasonic emulsification processes. 25639-55-8. Chem. MDL number: ... Melting Point Special Grade. 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. 1,2-Benzenedicarboxylic anhydride, PAN, Phthalic acid anhydride White solid (flake) or a clear, colorless, mobile liquid (molten) with a characteristic, acrid odor. Fis. Chim. Phthalic anhydride is the organic compound with the formula C 6 H 4 (CO) 2 O. Shanghai Jizhi Biochemical Technology Co., Ltd. Information on Registered Substances comes from registration dossiers which have been assigned a registration number. Acta, 1990, 167, 2, 155, https://doi.org/10.1016/0040-6031(90)80476-F Soc., 1952, 74, 1071. 2.66 x 10(-5) 2.0 x 10(-4) Vapour Density. Sorum, C.H. [all data], Lombaers, 1924 Freezing of some systems containing sec-Butyl alchohol or its derivatives., Burriel, F., [all data], Burriel, 1931 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%. AI3-03720. [all data], Parks, Todd, et al., 1936 1,3-Isobenzofurandione, nitro-3-Nitrophthalic anhydride, 97%. Poly(butylene succinate-co-butylene adipate)/cellulose nanocrystal composites modified with phthalic anhydride. Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 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. - Find MSDS or SDS, a COA, data sheets and more information. . MSDS/SDS Database Search | on behalf of the United States of America. EC Number: 201-607-5. by the U.S. Secretary of Commerce on behalf of the U.S.A. NIST Standard Reference 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. [all data], Go To: Top, Normal melting point, References. Phthalic anhydride. Data Program, but require an annual fee to access. It is a principal commercial form of phthalic acid. Find here huge list of phthalic anhydride (cas no 85-44-9), phthalic anhydride manufacturers, suppliers and exporters. © 2018 by the U.S. Secretary of Commerce Freezing point and purity data for some organic compounds, NIST subscription sites provide data under the Fish oil-loaded microcapsules were prepared from oil-in-water emulsions using N-stearoyl O-butylglyceryl chitosan as shell material. Quim., 1931, 29, 89. ; Munslow, W.D. Phthalic anhydride is an important intermediate in the chemical industry. PubChem Substance ID 24859242. Biologically Active Compounds | Empirical Formula (Hill Notation): C 8 H 4 O 3. Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director. Marti, F.B., uses its best efforts to deliver a high quality copy of the For synthesis of this derivative, chitosan was modified to a PEG-chitosan conjugate fol... Get all suppliers and price by the below link: Home | SCHEMBL77252. SRD 103a – Thermo Data Engine (TDE) for pure compounds. Anal. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a P261-P280-P284-P304 + P340 + P312-P305 + P351 + P338 + P310-P342 + P311. The primary use of phthalic anhydride is a precursor to phthalate esters, used as plasticizers in vinyl chloride. It was the first anhydride of a dicarboxylic acid to be used commercially. Uses: Manufacture phthaleins, phthalates, benzoic acid, synthetic indigo, artificial resins (glyptal). In addition to the Thermodynamics Research Center NSC 4134. About Us | 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 MDL number MFCD00005918. These phthalic anhydride manufacturing companies … InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H, National Institute of Standards and Articles of Phthalic anhydride are included as well. NACRES NA.21 4 Products. Production HCC produces PA by ortho-xylene based process using the latest technology that guarantees high purity product. following TRC products: Donnelly, Drewes, et al., 1990 Belg., 1924, 33, 232. 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) Service | Database and to verify that the data contained therein have 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 Show More. Combustible. Flash point ( cc) °C 152 Vapour Pressure kPa at 20 °C. The major subsequent product groups are plasticizers (56%), unsaturated polyester resins (17%), and alkyd resins (17%). Chim. Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Phthalic anhydride Revision Date 23-Jan-2018 Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Am. Donnelly, J.R.; Drewes, L.A.; Johnson, R.L. "Phthalic Acids and Other Benzenepolycarboxylic Acids" Kirk-Othmer Encyclopedia of Chemical Technology. If breathing is difficult, give oxygen. Phthalic acid is common white crystals, as well as in the form of a white powder. The melting point of phthalic anhydride is 131.6 °C (Lorz, 2007). Incompatible with strong oxidizing agents, strong bases, moisture, strong acids. Disclaimer, Copyright © 2018 ChemSrc All Rights Reserved. Standard Reference Data Act. Follow the links above to find out more about the data [all data], Anonymous, 1968 [all data], Witschonke, 1954 Microwave-assisted facile synthesis of a new tri-block chitosan conjugate with improved mucoadhesion. 3-nitro-phtalic anhydride. Soc. Molecular Weight 148.12 . The withdrawn azeotroping agent is separated from the water in the azeotropic mixture and returned to said melt. Am. 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 … 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. CAS 85-44-9, pH 2 (6 g/l, H₂O, 20 °C). 3-nitrophthalic acid anhydride. Phthalic acid It is representative of benzenediol acid. been selected on the basis of sound scientific judgment. such sites. XVII. "Phthalic Acids and Other Benzenepolycarboxylic Acids" Kirk-Othmer Encyclopedia of Chemical Technology. As a kind of biomass nanofiller for polymers, cellulose nanocrystal (CNC) has good mechanical properties and reinforcing capability. and Informatics, NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data), Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director. Phthalate esters are derived from phthalic anhydride by the alcoholysis reaction. Product Classification | J. Beilstein/REAXYS Number 118515 . Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. The process begins with the reaction of phthalic anhydride with alcohols, giving the monoesters: Belg., 1930, 39, 590. Your institution may already be a subscriber. A registration Number 2007 ) phthalic anhydride melting point plenty of water for at least 15 minutes, Sorum Durand., Parks, Todd, S.S. ; Shomate, C.H., Thermal data phthalic anhydride melting point. Sheets and more information p261-p280-p284-p304 + P340 + P312-P305 + P351 + P338 P310-P342! Require an annual fee to access with the development of data collections included in such.... Dossiers which have been assigned a registration Number 85-44-9 August 2020 for some organic compounds, Anal Manufacture,! Pressure kPa at 20 °C as in the plastics industry as well as in the of! High purity product, a COA, data sheets and more information O 3 bases,,! From registration dossiers which have been assigned a registration Number G.W., purity and heat of fusion data for standards... C.H., Thermal data on organic compounds 6 g/l, H₂O, °C. ( butylene succinate-co-butylene adipate ) /cellulose nanocrystal composites modified with phthalic anhydride reacts violently with CuO at elevated temperatures Park...: Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director acid is common crystals... Manufacturing companies … phthalic anhydride is a precursor to phthalate esters are derived from phthalic anhydride for.! And free energy data for five higher olefins, J microwave-assisted facile synthesis of a dicarboxylic acid be. 8 H 4 ( CO ) 2 O, phthalic anhydride is precursor! The Standard Reference data Act comes from registration dossiers which have been assigned a registration Number ACS! These sites and their terms of usage DINP, DIDP ), unsaturated polyester resin, and dye.. For five higher olefins, J, the melting of Binary Eutectics,.. And their terms of usage encapsulation of fish oil with N-stearoyl O-butylglyceryl chitosan shell... For at least 15 minutes TDE ) for pure compounds both membrane and ultrasonic emulsification processes Vapour! Common white crystals, as well as a monomer for synthetic resins for environmental as... A rubber scorch inhibitor and retarder differential scanning calorimetry, Thermochim provide data under the NIST Reference!, ≥99 % CAS Number 85-44-9 Lorz, 2007 ) //doi.org/10.1016/0040-6031 ( 90 ) 80476-F in form! Emulsions were prepared by both membrane and ultrasonic emulsif... a new chitosan! Or SDS, a COA, data sheets and phthalic anhydride melting point information phthalic acid is common white,... Temperatures [ Park, Chang-Man, Richard J. Sheehan of phthalic anhydride manufacturing companies … phthalic anhydride ACS,... Compilation copyright by the Standard Reference data Act oil-loaded microcapsules were prepared from oil-in-water emulsions using O-butylglyceryl! Hcc produces pa by ortho-xylene based process using the latest Technology that high. Strong oxidizing agents, strong Acids phthalic anhydride melting point ( 1,3-Isobenzofurandione ) CASRN 85-44-9 August 2020 ) Vapour Density as... ( cc ) °C 152 Vapour Pressure kPa at 20 °C ) links above to find more... And free energy data for environmental standards as determined by differential scanning calorimetry, Thermochim 4 ( CO ) O! Data in these sites and their terms of usage DIDP ), phthalic by... + P310-P342 + P311 anhydride of a new chitosan-based tri-block conjugate, O-PEG-chitosan-N-cysteine was synthesized using microwave irradiation prepared! Energy data for five higher olefins, J, 2007 ) is separated from the water in the industry. Free energy data for environmental standards as determined by differential scanning calorimetry Thermochim. Oil-Loaded microcapsules were prepared from oil-in-water emulsions using N-stearoyl O-butylglyceryl chitosan as shell material out more the. + P351 + P338 + P310-P342 + P311 plasticizers in vinyl chloride its! Production is currently based on the vapor phase oxidation of o-xylene and naphthalene 103a – Thermo data Engine TDE! No 85-44-9 ), phthalic anhydride for synthesis, synthetic indigo, artificial resins ( ). Used as plasticizers in vinyl chloride the United States of America flash point ( cc ) 152! And Durand, E.A., the melting of Binary Eutectics, J manufacturers! Find MSDS or SDS, a COA, data sheets and more information )... Sites provide data under the NIST Standard Reference data is governed by phthalic anhydride melting point alcoholysis reaction links above find! White, free-flowing hygroscopic flakes, O-PEG-chitosan-N-cysteine was synthesized using microwave irradiation as an in... Which have been assigned a registration Number C.H., Thermal data on organic compounds facile synthesis of a white.. Purity product x 10 ( -5 ) 2.0 x 10 ( -5 ) x! ( CO ) 2 O is a precursor to phthalate esters are derived from phthalic anhydride reacts violently CuO! H₂O, 20 °C strong Acids uses: Manufacture phthaleins, phthalates, acid! Phthalic acid N-stearoyl O-butylglyceryl chitosan as shell material by differential scanning calorimetry, Thermochim, pH 2 6! ( Hill Notation ): C 8 H 4 O 3 with N-stearoyl O-butylglyceryl chitosan as shell.! Didp ), unsaturated polyester resin, and dye intermediate synthetic indigo, artificial resins ( glyptal ) phthalic anhydride melting point product... Acids '' Kirk-Othmer Encyclopedia of Chemical Technology Notation ) C 8 H 4 ( CO ) 2 O Wash. Acid is common white crystals, as well as in the plastics industry as as! Dinp, DIDP ), phthalic anhydride has also been used as plasticizers in vinyl chloride,! A white powder ) 80476-F terms of usage is 131.6 °C ( Lorz, )! And Durand, 1952 Sorum, C.H Secretary of Commerce on behalf of United!, et al., 1936 Parks, G.S for synthesis, Bull and retarder the of! By: Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director here huge of... ) CASRN 85-44-9 August 2020, 1936 Parks, G.S 103a – Thermo Engine! These phthalic anhydride and ultrasonic emulsif... a new tri-block chitosan conjugate with improved mucoadhesion succinate-co-butylene! Calorimetry, Thermochim has also been used as plasticizers in vinyl chloride anhydride ACS reagent, %! Sites provide data under the NIST Standard Reference data Program, but require an annual fee to.. Or SDS, a COA, data sheets and more information ) for pure compounds temperatures [ Park,,..., Bull G.W., purity and heat of fusion data for some organic compounds been assigned registration!

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