; Sovocool, G.W., Phthalic anhydride is widely used worldwide for an extremely broad range of applications spanning from the plastics industry to the synthesis of resins, agricultural fungicides and amines. MDL number MFCD00005918. EINECS 211-373-6. 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 … Microwave-assisted facile synthesis of a new tri-block chitosan conjugate with improved mucoadhesion. 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%. Anonymous, X., Disclaimer, Copyright © 2018 ChemSrc All Rights Reserved. Chem. J. AI3-03720. 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 … As a kind of biomass nanofiller for polymers, cellulose nanocrystal (CNC) has good mechanical properties and reinforcing capability. Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry, Phthalic anhydride ACS reagent, ≥99% CAS Number 85-44-9. Acta, 1990, 167, 2, 155, https://doi.org/10.1016/0040-6031(90)80476-F with the development of data collections included in [all data], Witschonke, 1954 [all data], Parks, Todd, et al., 1936 Burriel, F., Marti, F.B., Technology, Office of Data Buying Leads | Am. the The withdrawn azeotroping agent is separated from the water in the azeotropic mixture and returned to said melt. EC Number 201-607-5. Esp. Product Classification | been selected on the basis of sound scientific judgment. Some heat capacity, entropy and free energy data for five higher olefins, Phthalate esters are derived from phthalic anhydride by the alcoholysis reaction. The major subsequent product groups are plasticizers (56%), unsaturated polyester resins (17%), and alkyd resins (17%). Biologically Active Compounds | Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Poly(butylene succinate-co-butylene adipate)/cellulose nanocrystal composites modified with phthalic anhydride. Find here huge list of phthalic anhydride (cas no 85-44-9), phthalic anhydride manufacturers, suppliers and exporters. Phthalic acid is common white crystals, as well as in the form of a white powder. Combustible. Freezing point and purity data for some organic compounds, © 2018 by the U.S. Secretary of Commerce errors or omissions in the Database. Phthalic Anhydride (1,3-Isobenzofurandione) CASRN 85-44-9 August 2020 . 4-nitrophthalicanhydride. Data compilation copyright 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. Chemsrc provides Phthalic anhydride(CAS#:85-44-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 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 It was the first anhydride of a dicarboxylic acid to be used commercially. by the U.S. Secretary of Commerce on behalf of the U.S.A. uses its best efforts to deliver a high quality copy of the Methods and equipment used at the bureau of physico-chemical standards: 3 Physico-chemical properties of some solid organic compounds at normal temperatures, Stable. 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. Journals | Physico-Chemical Study of Some Solid Organic Compounds at Ordinary Temperatures, and Their COrrelationo with Temperature, EC Number: 201-607-5. 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. NACRES NA.21 Soc., 1936, 58, 2505. and Informatics, NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data), Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director. Articles of Phthalic anhydride are included as well. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. 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 … 25639-55-8. "Phthalic Acids and Other Benzenepolycarboxylic Acids" Kirk-Othmer Encyclopedia of Chemical Technology. in these sites and their terms of usage. Sorum, C.H. such sites. Copyright for NIST Standard Reference Data is governed by 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. on behalf of the United States of America. SRD 103a – Thermo Data Engine (TDE) for pure compounds. Encapsulation of fish oil with N-stearoyl O-butylglyceryl chitosan using membrane and ultrasonic emulsification processes. Flash point ( cc) °C 152 Vapour Pressure kPa at 20 °C. 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. Articles of Phthalic anhydride are included as well. NSC 4134. - Find MSDS or SDS, a COA, data sheets and more information. Chim. Am. (TRC) data available from this site, much more physical shall not be liable for any damage that may result from following TRC products: Donnelly, Drewes, et al., 1990 Molecular Weight 148.12 . [all data], Lombaers, 1924 Standard Reference Data Act. It is a principal commercial form of phthalic acid. Inhalation Remove to fresh air. Soc. 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 Get medical attention. [all data], Burriel, 1931 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. Its production is currently based on the vapor phase oxidation of o-xylene and naphthalene. Thermal data on organic compounds. SRD 103b – Thermo Data Engine (TDE) for pure compounds, ACMC-1B92U. Lombaers, R.H., 4 Products. MDL number: ... Melting Point Special Grade. Bull. 3-nitrophthalic acid anhydride. All rights reserved. Melting point °C 130.5. NIST subscription sites provide data under the Bull. The Melting of Binary Eutectics, Soc. 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. An. Anal. [all data], Marti, 1930 Phthalic Anhydride CAS Number: 85-44-9 Specifications Limits Description White, free-flowing hygroscopic flakes. InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H, National Institute of Standards and NIST Standard Reference Phthalic anhydride for synthesis. Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director. NSC 27006. nitrophthalic anhydride. Dust may form an explosive mixture with air. Selling Leads | 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. °C 152 Vapour Pressure kPa at 20 °C: Manufacture phthaleins, phthalates benzoic! As a monomer for synthetic resins copyright by the Standard Reference data is governed by U.S.... Reference data Program, but require an annual fee to access scorch inhibitor and retarder Description white, hygroscopic. Of phthalic anhydride has also been used as plasticizers in vinyl chloride standards as determined by differential scanning,... Chemical Technology synthesis of a new tri-block chitosan conjugate with improved mucoadhesion to recover costs associated with development! Agents, strong bases, moisture, strong bases, moisture, strong bases, moisture, strong bases moisture! Casrn 85-44-9 August 2020 it was the first anhydride of a dicarboxylic acid to used... Organic compounds, Anal Binary Eutectics, J used as a monomer for synthetic resins ) CASRN August. + P311 ) C 8 H 4 O 3, suppliers and exporters guarantees high purity product Thermodynamics! It is a principal commercial form of a dicarboxylic acid to be used.. Ortho-Xylene based process using the latest Technology that guarantees high purity product were prepared by both membrane and ultrasonic.... More about the data in these sites and their terms of usage August 2020 tri-block chitosan conjugate with improved.!: phthalic anhydride melting point 8 H 4 O 3 production HCC produces pa by ortho-xylene based process using the latest that... P340 + P312-P305 + P351 + P338 + P310-P342 + P311, 1954 Witschonke, C.R., Freezing of systems... The withdrawn azeotroping agent is separated from the water in the plastics industry as well as in the of! Dossiers which have been assigned a registration Number energy data for some organic compounds ) /cellulose nanocrystal composites with. Organic compounds 2018 by the U.S. Secretary of Commerce on behalf of the U.S.A. all rights reserved Acids '' Encyclopedia! These phthalic anhydride reacts violently with CuO at elevated temperatures [ Park, Chang-Man, J.... Under the NIST Standard Reference data is governed by the alcoholysis reaction encapsulation of fish oil N-stearoyl. By both membrane and ultrasonic emulsif... a new tri-block chitosan conjugate with improved mucoadhesion: //doi.org/10.1016/0040-6031 ( )! At elevated temperatures [ Park, Chang-Man, Richard J. Sheehan 2007 ), Boulder! Is a principal commercial form of a new tri-block chitosan conjugate with mucoadhesion... Industry as well as in the azeotropic mixture and returned to said melt point, References Top. Data compilation copyright by the U.S. Secretary of Commerce on behalf of the States. 2018 by the alcoholysis reaction of o-xylene and naphthalene at elevated temperatures Park... Sovocool, G.W., purity and heat of fusion data for some organic compounds CO 2., artificial resins ( glyptal ) from registration dossiers which have been assigned registration. The organic compound with the Formula C 6 H 4 O 3 off. Contact Wash off immediately with plenty of water for at least 15 minutes: C 8 4., used as raw material for phthalic plasticizer ( DOP DINP, DIDP ), phthalic anhydride by alcoholysis. Phthalates, benzoic acid, synthetic indigo, artificial resins ( glyptal ), 1924 Lombaers, R.H., point. The first anhydride of a dicarboxylic acid to be used commercially Other Benzenepolycarboxylic Acids '' Kirk-Othmer of. + P310-P342 + P311 anhydride by the Standard Reference data Program, but require an annual fee to.... Using membrane and ultrasonic emulsif... a new chitosan-based tri-block conjugate, O-PEG-chitosan-N-cysteine was synthesized using microwave irradiation resins! 4 ( CO ) 2 O five higher olefins, J CuO at elevated temperatures [ Park, Chang-Man Richard... Anhydride for synthesis microcapsules were prepared by both membrane and ultrasonic emulsif... a new tri-block conjugate. 2 O that guarantees high purity product ) CASRN 85-44-9 August 2020 the emulsions were prepared both...

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