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phthalic anhydride melting point phthalic anhydride melting point

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phthalic anhydride melting point

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 The withdrawn azeotroping agent is separated from the water in the azeotropic mixture and returned to said melt.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

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