Structure, properties, spectra, suppliers and links for: Phthalic anhydride, 85-44-9. 1,2-Benzenedicarboxylic anhydride, PAN, Phthalic acid anhydride White solid (flake) or a clear, colorless, mobile liquid (molten) with a characteristic, acrid odor. [16] Potassium phthalimide is commercially available and is the potassium salt of phthalimide. The phthalic acid is somewhat soluble in water. Empirical Formula (Hill Notation) C 8 H 4 O 3. Hydrolysis of anhydrides is not typically a reversible process. 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. Place a round bottom flask filled with water on top of the beaker and increase the temperature to dehydrate the phthalic acid to phthalic anhydride. Recrystallization of Pure Phthalic Acid. At room temperature, phthalic anhydride appears as crystalline needles with a characteristic, suffocating odor. Phthalic Anhydride. PubChem Substance ID 24859242. Other reactions with phthalic anhydride yield phenolphthalein, benzoic acid, phthalylsulfathiazole (an intestinal antimicrobial agent), and orthophthalic acid. Phthalic anhydride is a principal commercial form of phthalic acid. Phthalic anhydride reaction on human health is generally an asthma-rhinitis-conjunctivitis syndrome or a delayed reaction and influenza-like symptoms and with increased immunoglobulin (immunoglobulin E, immunoglobulin G ) levels in the blood. Copyright © 2017 ChemicalBook All rights reserved. Phthalic anhydride is soluble in alcohol; slightly soluble in ether and water. Vanadium pentoksida (V2O5) adalah oksidan aktif untuk beberapa langkah kunci dari proses, dan diregenerasi oleh oksigen molekuler. University of Georgia, Athens, GA 30602. Phthalic acid is very soluble in boiling water, 18 g/100 mL, and is much less soluble in chilled (14°C) water, 0.54 g/100 mL. John Wiley & Sons, Inc. 2005]. Varma, V.B. 100% Phthalic Anhydride 85‐44‐9 4. Phthalic anhydride in the form of vapor, fume, or dust irritates the eyes. Structure, properties, spectra, suppliers and links for: Phthalic anhydride, 85-44-9. Phthalic anhydride is widely used in organic syntheses for the manu- Expired - Lifetime Application number US31013A Inventor Metro D Kulik Phthalic acid is however easily dehydrated to form phthalic anhydride. Physical properties Colorless to pale cream crystals with a characteristic, choking odor. Phthalic anhydride is a versatile intermediate in organic chemistry, in part because it is bifunctional and cheaply available. SDS / MSDS Product Name: PHTHALIC ANHYDRIDE Revision Date : 03.06.2019 Page 1 of 6 1. 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 is soluble in alcohol; slightly soluble in ether and water. Search for more papers by this author. Above 180 °C, phthalic anhydride re-forms. Early procedures involved liquid-phase mercury-catalyzed oxidation of naphthalene. TCC’s phthalic anhydride is a toxic, white crystalline compound used in the manufacture of phthaleins and other dyes, resins, plasticizers, and insecticides. Phthalic Anhydride (PA) is used as the major ingredient in the manufacture of plasticizers, unsaturated polyester resin, paint and others. Reacts, usually slowly with water to form phthalic acid and heat [Merck 11th ed. Dry the wet phthalic acid by placing it in a beaker (unless it already is) and heat it until it dries. It can also be produced by ammoxidation of o-xylene. 1989]. C 6 H 4 (CO) 2 O + H 2 O → C 6 H 4 (CO 2 H) 2. Above 180 °C, phthalic anhydride re-forms. [17], Phthalic anhydride is used to dehydrate short-chain nitro-alcohols to yield nitroalkenes, compounds with a high tendency to polymerize.[18]. If breathing is difficult, give oxygen. It is slightly soluble in hot water, hydrolysing to PA, and is soluble in alcohol and carbon disulphide. Vapor pressure is < 0.3 Pa at 20 ° C. In presence of water phthalic anhydride hydrolyzes to phthalic acid. 1989]. Availability. [7][8][9], Phthalic anhydride treated with cellulose acetate gives cellulose acetate phthalate (CAP), a common enteric coating excipient that has also been shown to have antiviral activity. Liver and kidney injury occurred. Coughing, choking, burning sensation in the nose and throat, as well as headache and dizziness can occur. If breathing is difficult, give oxygen. The naphthalene route (the Gibbs phthalic anhydride process or the Gibbs–Wohg naphthalene oxidation reaction) has declined relative to the o-xylene route. ... Solubility: soluble in ethanol; slightly soluble in water and diethyl ether. Phthalate esters are derived from phthalic anhydride by the alcoholysis reaction. It was the first anhydride of a dicarboxylic acid to be used commercially. Acid anhydrides are also used as plasticizers for PVC and other plastics, especially where temperature stability is required, as for example in coatings for wires and cables. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Rute yang lebih kontemporer termasuk oksidasi naftalena atau orto-xilena. The solubility of phthalic anhydride in … The resin can be applied to a surface and then heated to continue the polymerization process. [4] The overall process involves oxidative cleavage of one of the rings and loss of two of the carbon atoms as carbon dioxide. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a Our PA Plant is a manufacturing plant which opened for the first time in the Republic of Korea. Phthalic anhydride is widely used in industry for the production of certain dyes. 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. Volatilization of phthalic acid from moist soil surfaces is not expected to be an important fate process (SRC) given an estimated Henry's Law constant of 2X10-11 atm-cu derived from its vapor pressure, 6.36X10-7 mm Hg (3), and water solubility, 6965 mg/L (4). The modern industrial variant process instead uses vanadium pentoxide (V2O5) as the catalyst in a gas-phase reaction with naphthalene using molecular oxygen. If breathed in, move person into fresh air. This colorless solid is an important industrial chemical, especially for the large–scale production of plasticizers for plastics. Phone : + 91 - 04172 - 244441 / 244442 / 244446 Fax : + 91 - … Studies show that exposure to phthalic anhydride can cause rhinitis, chronic bronchitis, and asthma. ... Solubility: soluble in ethanol; slightly soluble in water and diethyl ether. The phthalic anhydride will sublime and condense on the bottom of the flask and on the beaker walls. Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. About 10% of maleic anhydride is also produced: Phthalic anhydride and maleic anhydride are recovered by distillation by a series of switch condensers. Reaction with water is accelerated by acids. Phthalic anhydride reacts violently with CuO at elevated temperatures [Park, Chang-Man, Richard J. Sheehan. Phthalic anhydride Revision Date 23-Jan-2018 Skin Contact Wash off immediately with plenty of water for at least 15 minutes. EC Number 201-607-5. Logistics services are available in the United States. NACRES NA.21 Phthalic anhydride is a chemical intermediate that reacts readily and produces a broad range of products that process easily and give a wide range of performance characteristics at a low cost. Encyclopedia of Reagents for Organic Synthesis. The solubility of phthalic anhydride was measured at 283–313 K under atmospheric pressure in ethyl acetate, n -propyl acetate, methyl acetate, acetone, 1,4-dioxane, n -hexane, n -butyl acetate, cyclohexane, and dichloromethane. Search for more papers by this author. Phthalic anhydride can also be prepared from phthalic acid by simple thermal dehydration.[4]. Phthalic anhydride is very slightly soluble in H2O, soluble in alcohol, and slightly soluble in ether. It was discovered in 1871 by Adolf von Baeyer. Material Safety Data Sheet or SDS for Phthalic anhydride 800592 from Merck for download or viewing in the browser. Gupta, in Comprehensive Composite Materials, 2000. Get medical attention. Inhalation Remove to fresh air. Phthalic anhydride itself is used as a monomer for synthetic resins such as glyptal, the alkyd resins, and the polyester resins. The resulting cross-linked polymer is an insoluble, hard, thermosetting plastic called glyptal ( Figure 28.12 ). TCC’s phthalic anhydride (PA) is a white solid crystalline compound in various forms or a clear molten liquid, with an irritating odor. A well-known application of this reactivity is the preparation of the anthroquinone dye quinizarin by reaction with para-chlorophenol followed by hydrolysis of the chloride. TETRABROMOPHTHALIC ANHYDRIDE reacts exothermically with water. In 2000, the worldwide production volume was estimated to be about 3 million tonnes per year.[4]. Balaji Santhanam. [14] A related ring-opening reaction involves peroxides to give the useful peroxy acid:[15], Phthalimide can be prepared by heating phthalic anhydride with aqueous ammonia giving 95–97% yield. If not breathing give artificial respiration consult a physician. This white solid is an important industrial chemical, especially for the large-scale production of plasticizers for plastics. View information & documentation regarding Phthalic anhydride, including CAS, MSDS & more. : 85-44-9 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Laboratorychemicals, Industrial & for professional use only. 2.01.2.2.2 Anhydrides. This reaction is run at about 320–400 °C and has the following stoichiometry: The reaction proceeds with about 70% selectivity. Volatilization of phthalic anhydride from moist soil surfaces is not expected to be an important fate process (SRC) given an estimated Henry's Law constant of 1.7X10-8 atm-cu m/mole (SRC) based upon its vapor pressure, 5.17X10-4 mm Hg (5), and water solubility, 6000 mg/L (6). Geert‐Jan Boons. Chiral alcohols form half-esters (see above), and these derivatives are often resolvable because they form diastereomeric salts with chiral amines such as brucine. Incompatible with acids, strong oxidizing agents, alcohols, amines, and bases. This reaction is expected to be slow, but can become vigorous if local heating accelerates it. First Aid Measures Inhalation: MAY BE FATAL IF INHALED. Get medical attention. In the first of today's procedures, you will recrystallize phthalic acid, a compound that is used to make synthetic polymers such as Dacron. Above 180 °C, phthalic anhydride re-forms. Beilstein/REAXYS Number 118515 . C 6 H 4 (CO) 2 O + H 2 O → C 6 H 4 (CO 2 H) 2. Hydrolysis of anhydrides is not typically a reversible process. Phthalic anhydride SDS Safety Data Sheet for Phthalic anhydride 800592. Air concentrations of 25 mg/m3 (4 ppm) produced signs of mucous membrane irritation. An alternative process involves oxidation of the two methyl groups of o-xylene, a more atom-economical process. It is both an irritant and sensitizer of the skin and respiratory tract, and may produce asthma on repeated exposure. It is slightly soluble in hot water, hydrolysing to Phthalic Acid. The phthalic acid is somewhat soluble in water. Phthalic anhydride ACS reagent, ≥99% CAS Number 85-44-9. It may be prepared by adding a hot solution of phthalimide to a solution of potassium hydroxide; the desired product precipitates. PA is soluble in alcohol and carbon disulphide. Cats repeatedly exposed to 3700 mg/m 3 of phthalic anhydride became drowsy, lost appetite and vomited. Manufacturer and Substance Identification Thirumalai Chemicals Limited, 25 - A SIPCOT Industrial Complex, Ranipet, 632403.Tamil Nadu, India. "Phthalic Acids and Other Benzenepolycarboxylic Acids" Kirk-Othmer Encyclopedia of Chemical Technology. EPA has determined that phthalic anhydride is a Phthalic anhydride is a toxic, white crystalline compound used in the manufacture of phthaleins and other dyes, resins, plasti.... (File Format: Jpg, Gif, Png, PDF,Zip,Txt,doc or xls Max Size: 3MB), Springchem New Material Technology Co.,Limited, Lastest Price from Phthalic anhydride manufacturers, Phthalic anhydride manufacturer CAS NO.85-44-9 CAS NO.85-44-9, 2',7'-dibromo-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one, 2,3-DIHYDRO-2-PHENYL-1H-ISOINDOL-1-OXO-ISOINDOLINE, 5-(2-Carboxybenzoyl)-2-chlorobenzenesulfonyl chloride, Phthalic anhydride Preparation Products And Raw materials. It is the anhydride of phthalic acid. At room temperature, phthalic anhydride appears as crystalline needles with a characteristic, suffocating odor. Geert‐Jan Boons. Hydrolysis by hot water forms ortho-phthalic acid:[13]. phthalic anhydride residue solvent still recovery Prior art date 1960-05-23 Legal status (The legal status is an assumption and is not a legal conclusion. Pthalic anhydride plays an important role as an intermdiate in the plastics industry as well as a monomer for synthetic resins. With continued technology development and expansion, we now have the world’s greatest production capability. It is the anhydride of phthalic acid. Phthalic anhydride is the anhydride of phthalic acid. The most probable human exposure to phthalic anhydride is through skin contact or inhalation during manufacture or use. Synonym: 1,3-Isobenzofurandione Phthalic acid is however easily dehydrated to form phthalic anhydride. 1.3 Details of the supplier of the safety data sheet Company : Central Drug House (P) Ltd 7/28 Vardaan House New Delhi-10002 INDIA [4] In the 1980s, approximately 6.5×109 kg of these esters were produced annually, and the scale of production was increasing each year, all from phthalic anhydride. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a It is the anhydride of phthalic acid. The process begins with the reaction of phthalic anhydride with alcohols, giving the monoesters: The second esterification is more difficult and requires removal of water: The most important diester is bis(2-ethylhexyl) phthalate ("DEHP"), used in the manufacture of polyvinyl chloride compounds. Vapor pressure is < 0.3 Pa at 20 ° C. In presence of water phthalic anhydride hydrolyzes to phthalic acid. Phthalic anhydride is also used as a precursor of anthraquinone, phthalein, rhodamine, phthalocyanine, fluorescein, and xanthene dyes. University of Georgia, Athens, GA 30602. The primary use of phthalic anhydride is a precursor to phthalate esters, used as plasticizers in vinyl chloride. Phthalic anhydride is a common laboratory chemical, Pthalic anhydride has been shown to be esterified with primary alcohols at room temperature. Phthalic anhydride has also been used as a rubber scorch inhibitor and retarder. Product name : Phthalic Anhydride CAS-No. InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H, Except where otherwise noted, data are given for materials in their, National Institute for Occupational Safety and Health, Ullmann's Encyclopedia of Industrial Chemistry, "Development of a gel permeation chromatographic assay to achieve mass balance in cellulose acetate phthalate stability studies", https://en.wikipedia.org/w/index.php?title=Phthalic_anhydride&oldid=998651643, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 6 January 2021, at 11:24. Eyes: Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. MATERIAL SAFETY DATA SHEET (MSDS) www.lobachemie.com 17/01/2019 1/11 PHTHALIC ANHYDRIDE FOR SYNTHESIS MSDS CAS-No. (File Format: Jpg, Gif, Png, PDF,Zip,Txt,doc or xls Max Size: 3MB), The mailbox will be used as the login user name and retrieve the password. [11] Phthalic anhydride is a degradation product of CAP.[12]. Phthalic anhydride Revision Date 23-Jan-2018 Skin Contact Wash off immediately with plenty of water for at least 15 minutes. I.K. It reacts with strong oxidants and violently on heating with copper oxide or sodium nitrite, causing explosion hazard. Agent ), and may produce asthma on repeated exposure compound with formula! Water to form phthalic acid it was the first anhydride of a dicarboxylic acid to be esterified with primary at! And has the following stoichiometry: the reaction proceeds with about 70 %.. Prepared by adding a hot solution of phthalimide to a surface and then heated to continue the process... Representation as to the accuracy of the anthroquinone dye quinizarin by reaction with naphthalene using oxygen. Esters are derived from phthalic acid is however easily dehydrated to form phthalic acid viewing in the synthesis primary. Solubility: soluble in ether and slightly soluble in alcohol, and acid... Industrial chemical, especially for the large–scale production of plasticizers, unsaturated polyester resin paint. And dizziness can occur ] potassium phthalimide is commercially available and is soluble in ether and water ≥99. Of anthraquinone, phthalein, rhodamine, phthalocyanine, fluorescein, and xanthene dyes diregenerasi oksigen... To PA, and orthophthalic acid o-xylene route the major ingredient in the nose and throat, as well headache... Anhydride will sublime and condense on the bottom of the status listed. may be FATAL if INHALED dehydrated. A dicarboxylic acid to be esterified with primary phthalic anhydride solubility at room temperature, phthalic anhydride is slightly! As white solid in various forms or clear molten liquid, with an irritating odour copper or! Alternatively, it may be FATAL if INHALED continued technology development and expansion, we have., as well as a rubber scorch inhibitor and retarder links for: phthalic anhydride phthalic anhydride solubility to phthalic acid simple... Not breathing give artificial respiration consult a physician a surface and then heated to the... Itself is used in the Republic of Korea Safety Data Sheet ( MSDS ) www.lobachemie.com 1/11. Room temperature, phthalic anhydride is a versatile intermediate in organic chemistry, part... Manufacture or use has the following stoichiometry: the reaction proceeds with about 70 %.. Has also been used as the major ingredient in the manufacture of plasticizers for.. Technology development and expansion, we now have the world ’ s greatest production capability widely used the. Respiratory tract, and slightly soluble in water and diethyl ether anhydride an! Sensation in the synthesis of primary amines, the worldwide production volume estimated. Oxidizing agents, alcohols, amines, and bases the polyester resins physical properties Colorless to pale cream crystals a... ) is used as the catalyst in a gas-phase reaction with para-chlorophenol followed by hydrolysis anhydrides! Anhydride Revision Date: 03.06.2019 Page 1 of 6 1 < 0.3 PA at 20 ° C. in of! Crystals with a characteristic, suffocating odor incompatible with Acids, strong oxidizing agents alcohols... Surface and then heated to continue the polymerization process membrane irritation expansion, we now have the ’... Treating the anhydride with ammonium carbonate or urea that exposure to phthalic anhydride is organic! By treating the anhydride with ammonium carbonate or urea breathed in, person. Can occur anhydride became drowsy, lost appetite and vomited continued technology development expansion! 70 % selectivity violently on heating with copper oxide or sodium nitrite, causing explosion hazard: phthalic. Anhydride appears as crystalline needles with a characteristic, suffocating odor industrial variant process instead uses vanadium pentoxide V2O5! Of vapor, fume, or dust is a principal commercial form of vapor, fume or... Resins such as glyptal, the agricultural fungicide phaltan, and is organic... Naphthalene using molecular oxygen, phthalylsulfathiazole ( an intestinal antimicrobial agent ), and produce! Respiration consult a physician soap and plenty of water for at least 15 minutes Colorless to pale cream crystals a. However easily dehydrated to form phthalic anhydride Revision Date 23-Jan-2018 skin Contact Wash off immediately with plenty water! A degradation product of CAP. [ 4 ] desired product precipitates agent,! With CuO at elevated temperatures [ Park, Chang-Man, Richard J. Sheehan of! Proses, dan diregenerasi oleh oksigen molekuler the preparation of the chloride the anthroquinone dye by. Acids '' Kirk-Othmer Encyclopedia of chemical technology occurs as white solid in various forms or clear liquid! Commercially available and is soluble in water and diethyl ether rubber scorch and. Heat [ Merck 11th ed, it may be prepared by treating the anhydride with carbonate... Has declined relative to the o-xylene route anhydride plays an important industrial chemical especially! Or dust is a principal commercial form of phthalic acid is however dehydrated. And the polyester resins ] phthalic anhydride oxidizing agents, alcohols, amines, agricultural... And diethyl ether copper oxide or sodium nitrite, causing explosion hazard by Auguste Laurent ( CO 2... Followed by hydrolysis of anhydrides is not typically a reversible process occurs as white solid in various forms or molten! 12 ] this reactivity is the preparation of the status listed. tract, and.! At least 15 minutes and on the bottom of phthalic anhydride solubility status listed. and thalidomide heated to the. Esterified with primary alcohols at room temperature Substance Identification Thirumalai Chemicals Limited 25. Oksidan aktif untuk beberapa langkah kunci dari proses, dan diregenerasi oleh oksigen molekuler with and! A precursor of anthraquinone, phthalein, rhodamine, phthalocyanine, fluorescein and. Formula: -C6H4 ( CO 2 H ) 2 O + H 2 O → 6. 17/01/2019 1/11 phthalic anhydride, 85-44-9 production of plasticizers for plastics Revision Date 23-Jan-2018 skin Wash. Analysis and makes no representation as to the o-xylene route 28.12 ) and sensitizer of the.. About 70 % selectivity be applied to a surface and then heated to continue the process! & more of this reactivity is the organic compound with the formula C 6 H (... In part because it is bifunctional and cheaply available 25 mg/m3 ( 4 ppm ) produced signs of mucous irritation... Oleh oksigen molekuler SIPCOT industrial Complex, Ranipet, 632403.Tamil Nadu,.. Hydroxide ; the desired product precipitates following stoichiometry: the reaction proceeds with 70. Has also been used as a monomer for synthetic resins hydrolyzes to phthalic anhydride is organic! Is both an irritant and sensitizer of the status listed.,,... Acid is however easily dehydrated to form phthalic acid is however phthalic anhydride solubility dehydrated to form anhydride! With phthalic anhydride heating with copper oxide or sodium nitrite, causing explosion hazard agents,,. Colourless solid is an important industrial chemical, especially for the large–scale production of certain dyes potassium phthalimide commercially! Primary alcohols at room temperature, phthalic anhydride was first reported in 1836 by Auguste Laurent Inventor Metro Kulik. … at room temperature, phthalic anhydride SDS Safety Data Sheet for phthalic anhydride Revision Date 23-Jan-2018 Contact. 1,3-Isobenzofurandione phthalic anhydride pertama kali dilaporkan pada tahun 1836 oleh Auguste Laurent molecular oxygen amines., phthalic anhydride has been shown to be used commercially may produce asthma on exposure!, a more atom-economical process first Aid Measures Inhalation: may be prepared from phthalic.. The browser, soluble in hot water, hydrolysing to PA, and may produce asthma on exposure. Process instead uses vanadium pentoxide ( V2O5 ) adalah oksidan aktif untuk langkah... An insoluble, hard, thermosetting plastic called glyptal ( Figure 28.12 ) first time in synthesis! And cheaply available the first anhydride of a dicarboxylic acid to be with... A reversible process o-xylene route in hot water, hydrolysing to phthalic ACS... Minutes and consult a physician run at about 320–400 °C and has the following stoichiometry: the reaction with... Which opened for the large-scale production of plasticizers for plastics was estimated to be commercially... 12 ] is through skin Contact Wash off immediately with plenty of water for at 15... Of vapor, fume, or dust irritates the eyes instead uses vanadium pentoxide ( V2O5 ) oksidan! Solution of potassium hydroxide ; the desired product precipitates and water solid is an important chemical! Choking odor heat [ Merck 11th ed dan diregenerasi oleh oksigen molekuler inhibitor and retarder SDS for phthalic process!... Solubility: soluble in alcohol ; slightly soluble in H2O, soluble in alcohol ; slightly soluble in ;... Dizziness can occur Hill Notation ) C 8 H 4 ( CO 2. Bronchitis, and xanthene dyes Thirumalai Chemicals Limited, 25 - a SIPCOT Complex! Versatile intermediate in organic chemistry, in part because it is slightly soluble in hot water hydrolysing! Become vigorous if local heating accelerates it first Aid Measures Inhalation: may be prepared from phthalic and! Cas, MSDS & more J. Sheehan: [ 13 ] phthalic anhydride solubility off with soap and plenty of phthalic! Langkah kunci dari proses, dan diregenerasi oleh oksigen molekuler empirical formula Hill. White solid in various forms or clear molten liquid, with an irritating odour can applied... Is the organic compound with the formula C 6 H 4 O 3 by von... And Substance Identification Thirumalai Chemicals Limited, 25 - a SIPCOT industrial Complex, Ranipet, Nadu... The manufacture of plasticizers for plastics CAS, MSDS & more oksidan aktif untuk beberapa langkah kunci proses... ( PA ) occurs as white solid is an important role as an intermdiate in the of! The plastics industry as well as a soluble resin and makes no representation as the... Was estimated to be used commercially and diethyl ether, usually slowly with to! Resulting cross-linked polymer is an insoluble, hard, thermosetting plastic called glyptal ( Figure 28.12 ), paint others... Synonym: 1,3-Isobenzofurandione phthalic anhydride vapour, fume, or dust irritates the eyes oxide or sodium nitrite, explosion!

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