phthalic anhydride melting point

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160* to 200*C. Phthalic acid is introduced into the melt, and an azeotropic mixture of water and azeotroping agent is withdrawn therefrom.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

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