Manufacturer and Substance Identification Thirumalai Chemicals Limited, 25 - A SIPCOT Industrial Complex, Ranipet, 632403.Tamil Nadu, India. 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. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a 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. 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. In the first of today's procedures, you will recrystallize phthalic acid, a compound that is used to make synthetic polymers such as Dacron. Empirical Formula (Hill Notation) C 8 H 4 O 3. Phthalic anhydride Revision Date 23-Jan-2018 Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) EC Number 201-607-5. Our PA Plant is a manufacturing plant which opened for the first time in the Republic of Korea. Phthalic anhydride vapour, fume or dust is a primary irritant. This white solid is an important industrial chemical, especially for the large-scale production of plasticizers for plastics. Phthalic anhydride SDS Safety Data Sheet for Phthalic anhydride 800592. 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 PA is soluble in alcohol and carbon disulphide. C 6 H 4 (CO) 2 O + H 2 O → C 6 H 4 (CO 2 H) 2. Phthalic anhydride is an important chemical intermediate in the plastics industry from which are derived numerous phthalate esters that function as plasticizers in synthetic resins. (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. If breathing is difficult, give oxygen. 1,2-Benzenedicarboxylic anhydride, PAN, Phthalic acid anhydride White solid (flake) or a clear, colorless, mobile liquid (molten) with a characteristic, acrid odor. TCC’s phthalic anhydride is a toxic, white crystalline compound used in the manufacture of phthaleins and other dyes, resins, plasticizers, and insecticides. At room temperature, phthalic anhydride appears as crystalline needles with a characteristic, suffocating odor. PubChem Substance ID 24859242. This reaction is run at about 320–400 °C and has the following stoichiometry: The reaction proceeds with about 70% selectivity. : 85-44-9 MSDS SECTION 1: Identification of the substance/mixture and of the company/undertaking If not breathing give artificial respiration consult a physician. 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. Balaji Santhanam. Recrystallization of Pure Phthalic Acid. Phthalic anhydride is the anhydride of phthalic acid. It is slightly soluble in hot water, hydrolysing to Phthalic Acid. Above 180 °C, phthalic anhydride re-forms. ... Solubility: soluble in ethanol; slightly soluble in water and diethyl ether. Encyclopedia of Reagents for Organic Synthesis. Phthalic anhydride itself is used as a monomer for synthetic resins such as glyptal, the alkyd resins, and the polyester resins. SDS / MSDS Product Name: PHTHALIC ANHYDRIDE Revision Date : 03.06.2019 Page 1 of 6 1. Molecular Weight 148.12 . If breathed in, move person into fresh air. Balaji Santhanam. Phthalic anhydride can also be prepared from phthalic acid by simple thermal dehydration.[4]. If breathing is difficult, give oxygen. 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. University of Georgia, Athens, GA 30602. Product name : Phthalic Anhydride CAS-No. 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. View information & documentation regarding Phthalic anhydride, including CAS, MSDS & more. Search for more papers by this author. 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. Phthalic anhydride (PA) occurs as white solid in various forms or clear molten liquid, with an irritating odour. 2.01.2.2.2 Anhydrides. Phthalic anhydride is also used as a precursor of anthraquinone, phthalein, rhodamine, phthalocyanine, fluorescein, and xanthene dyes. Hydrolysis of anhydrides is not typically a reversible process. Inhalation Remove to fresh air. Phthalic anhydride Revision Date 23-Jan-2018 Skin Contact Wash off immediately with plenty of water for at least 15 minutes. It is both an irritant and sensitizer of the skin and respiratory tract, and may produce asthma on repeated exposure. [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. Get medical attention. Geert‐Jan Boons. [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. John Wiley & Sons, Inc. 2005]. Phthalic anhydride and maleic anhydride are commonly used in paints, varnishes and various plastic coatings. Phthalic anhydride is a versatile intermediate in organic chemistry, in part because it is bifunctional and cheaply available. Alternatively, it may be prepared by treating the anhydride with ammonium carbonate or urea. Pthalic anhydride plays an important role as an intermdiate in the plastics industry as well as a monomer for synthetic resins. Incompatible with acids, strong oxidizing agents, alcohols, amines, and bases. Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. The primary use of phthalic anhydride is a precursor to phthalate esters, used as plasticizers in vinyl chloride. Above 180 °C, phthalic anhydride re-forms. : 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. At room temperature, phthalic anhydride appears as crystalline needles with a characteristic, suffocating odor. About 10% of maleic anhydride is also produced: Phthalic anhydride and maleic anhydride are recovered by distillation by a series of switch condensers. It is the anhydride of phthalic acid. Geert‐Jan Boons. Logistics services are available in the United States. The modern industrial variant process instead uses vanadium pentoxide (V2O5) as the catalyst in a gas-phase reaction with naphthalene using molecular oxygen. The linear polymer and phthalic anhydride are available as a soluble resin. Phthalate esters are derived from phthalic anhydride by the alcoholysis reaction. Expired - Lifetime Application number US31013A Inventor Metro D Kulik Studies show that exposure to phthalic anhydride can cause rhinitis, chronic bronchitis, and asthma. Search for more papers by this author. 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. MDL number MFCD00005918. Availability. Phthalic Anhydride. Reaction with water is accelerated by acids. Phthalic anhydride is used in the synthesis of primary amines, the agricultural fungicide phaltan, and thalidomide. Phthalic anhydride is very slightly soluble in H2O, soluble in alcohol, and slightly soluble in ether. Eyes: Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. [11] Phthalic anhydride is a degradation product of CAP.[12]. [17], Phthalic anhydride is used to dehydrate short-chain nitro-alcohols to yield nitroalkenes, compounds with a high tendency to polymerize.[18]. I.K. 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). This colourless solid is an important industrial chemical, especially for the large-scale production of plasticizers for plastics. Phthalic anhydride ACS reagent, ≥99% CAS Number 85-44-9. It is the anhydride of phthalic acid. Get medical attention. It was discovered in 1871 by Adolf von Baeyer. This colorless solid is an important industrial chemical, especially for the large–scale production of plasticizers for plastics. Dry the wet phthalic acid by placing it in a beaker (unless it already is) and heat it until it dries. Coughing, choking, burning sensation in the nose and throat, as well as headache and dizziness can occur. [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. Reacts, usually slowly with water to form phthalic acid and heat [Merck 11th ed. Vanadium pentoksida (V2O5) adalah oksidan aktif untuk beberapa langkah kunci dari proses, dan diregenerasi oleh oksigen molekuler. Phthalic acid is however easily dehydrated to form phthalic anhydride. Air concentrations of 25 mg/m3 (4 ppm) produced signs of mucous membrane irritation. 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). Skin: Wash off with soap and plenty of water. Hydrolysis of anhydrides is not typically a reversible process. 100% Phthalic Anhydride 85‐44‐9 4. The resin can be applied to a surface and then heated to continue the polymerization process. Vapor pressure is < 0.3 Pa at 20 ° C. In presence of water phthalic anhydride hydrolyzes to phthalic acid. It was the first anhydride of a dicarboxylic acid to be used commercially. Physical properties Colorless to pale cream crystals with a characteristic, choking odor. 1989]. Phthalic anhydride in the form of vapor, fume, or dust irritates the eyes. 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. It is a principal commercial form of phthalic acid. The solubility of phthalic anhydride in … Phthalic anhydride has also been used as a rubber scorch inhibitor and retarder. [4] The overall process involves oxidative cleavage of one of the rings and loss of two of the carbon atoms as carbon dioxide. Phthalic anhydride is widely used in organic syntheses for the manu- [6] Phenolphthalein can be synthesized by the condensation of phthalic anhydride with two equivalents of phenol under acidic conditions (hence the name). The phthalic anhydride will sublime and condense on the bottom of the flask and on the beaker walls. It is slightly soluble in hot water, hydrolysing to PA, and is soluble in alcohol and carbon disulphide. "Phthalic Acids and Other Benzenepolycarboxylic Acids" Kirk-Othmer Encyclopedia of Chemical Technology. It can also be produced by ammoxidation of o-xylene. 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. Phthalic anhydride MSDS Section 1: Chemical Product and Company Identification Product Name: Phthalic anhydride Catalog Codes: SLP4651, SLP1825 CAS#: 85-44-9 RTECS: TI3150000 TSCA: TSCA 8(b) inventory: Phthalic anhydride CI#: Not available. Vapor pressure is < 0.3 Pa at 20 ° C. In presence of water phthalic anhydride hydrolyzes to phthalic acid. Rute yang lebih kontemporer termasuk oksidasi naftalena atau orto-xilena. In 2000, the worldwide production volume was estimated to be about 3 million tonnes per year.[4]. Phthalic anhydride is soluble in alcohol; slightly soluble in ether and water. 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. Gupta, in Comprehensive Composite Materials, 2000. Phthalic Anhydride. Phthalic anhydride is a versatile intermediate in organic chemistry, in part because it is bifunctional and cheaply available. PHTHALIC ANHYDRIDE: ICSC: 0315: 1,2-Benzenedicarboxylic acid anhydride Phthalic acid anhydride 1,3-Isobenzofurandione: June 2003 Phthalic anhydride is widely used in industry for the production of certain dyes. Phthalic anhydride is soluble in alcohol; slightly soluble in ether and water. C 6 H 4 (CO) 2 O + H 2 O → C 6 H 4 (CO 2 H) 2. First Aid Measures Inhalation: MAY BE FATAL IF INHALED. Phthalic anhydride is a common laboratory chemical, Pthalic anhydride has been shown to be esterified with primary alcohols at room temperature. Synonym: 1,3-Isobenzofurandione Phone : + 91 - 04172 - 244441 / 244442 / 244446 Fax : + 91 - … Varma, V.B. Cats repeatedly exposed to 3700 mg/m 3 of phthalic anhydride became drowsy, lost appetite and vomited. It may be prepared by adding a hot solution of phthalimide to a solution of potassium hydroxide; the desired product precipitates. Liver and kidney injury occurred. It is the anhydride of phthalic acid. The most probable human exposure to phthalic anhydride is through skin contact or inhalation during manufacture or use. Phthalic anhydride is the organic compound with the formula C 6 H 4 (CO) 2 O. Structure, properties, spectra, suppliers and links for: Phthalic anhydride, 85-44-9. 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. [16] Potassium phthalimide is commercially available and is the potassium salt of phthalimide. Phthalic anhydride is a principal commercial form of phthalic acid. ... Solubility: soluble in ethanol; slightly soluble in water and diethyl ether. It was the first anhydride of a dicarboxylic acid to be used commercially. Beilstein/REAXYS Number 118515 . EPA has determined that phthalic anhydride is a Above 180 °C, phthalic anhydride re-forms. Structure, properties, spectra, suppliers and links for: Phthalic anhydride, 85-44-9. MATERIAL SAFETY DATA SHEET (MSDS) www.lobachemie.com 17/01/2019 1/11 PHTHALIC ANHYDRIDE FOR SYNTHESIS MSDS CAS-No. 1989]. Encyclopedia of Reagents for Organic Synthesis. University of Georgia, Athens, GA 30602. The naphthalene route (the Gibbs phthalic anhydride process or the Gibbs–Wohg naphthalene oxidation reaction) has declined relative to the o-xylene route. Reacts, usually slowly with water to form phthalic acid and heat [Merck 11th ed. 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 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. Phthalic anhydride is the organic compound with the formula :-C6H4(CO)2O. Phthalic anhydride was first reported in 1836 by Auguste Laurent. Sigma-Aldrich offers a number of Phthalic anhydride products. TETRABROMOPHTHALIC ANHYDRIDE reacts exothermically with water. The phthalic acid is somewhat soluble in water. Phthalic Anhydride (PA) is used as the major ingredient in the manufacture of plasticizers, unsaturated polyester resin, paint and others. Material Safety Data Sheet or SDS for Phthalic anhydride 800592 from Merck for download or viewing in the browser. Copyright © 2017 ChemicalBook All rights reserved. Chiral alcohols form half-esters (see above), and these derivatives are often resolvable because they form diastereomeric salts with chiral amines such as brucine. It reacts with strong oxidants and violently on heating with copper oxide or sodium nitrite, causing explosion hazard. Other reactions with phthalic anhydride yield phenolphthalein, benzoic acid, phthalylsulfathiazole (an intestinal antimicrobial agent), and orthophthalic acid. Hydrolysis of anhydrides is not typically a reversible process. Early procedures involved liquid-phase mercury-catalyzed oxidation of naphthalene. With continued technology development and expansion, we now have the world’s greatest production capability. +Add Attachment Hydrolysis by hot water forms ortho-phthalic acid:[13]. An alternative process involves oxidation of the two methyl groups of o-xylene, a more atom-economical process. Phthalic acid is however easily dehydrated to form phthalic anhydride. Phthalic anhydride reacts violently with CuO at elevated temperatures [Park, Chang-Man, Richard J. Sheehan. Phthalic anhydride is one of the 40 chemical substances initiated for prioritization as referenced in the March 21, 2019 notice (84 FR 10491) 2 . Phthalic acid is however easily dehydrated to form phthalic anhydride. NACRES NA.21 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. Phthalic anhydride pertama kali dilaporkan pada tahun 1836 oleh Auguste Laurent. The phthalic acid is somewhat soluble in water. Inhalation Remove to fresh air. This reaction is expected to be slow, but can become vigorous if local heating accelerates it. Solubility: It slightly dissolves in cold water, easier in hot water, as it turns into Phthalic acid; It dissolves in ethanol and ester. [ Merck 11th ed the most probable human exposure to phthalic acid is easily. Esters are derived from phthalic anhydride is used as plasticizers in vinyl chloride common chemical! As plasticizers in vinyl chloride structure, properties, spectra, suppliers and links for: anhydride! Hydrolyzes to phthalic acid lost appetite and vomited and on the bottom of the skin respiratory. Of phthalic acid plastic called glyptal ( Figure 28.12 ) H ) 2 →. At about 320–400 °C and has the following stoichiometry: the reaction proceeds with about 70 % selectivity plasticizers unsaturated. Dehydration. [ 12 ] naphthalene route ( the Gibbs phthalic anhydride became drowsy, appetite! Produce asthma on repeated exposure reported in 1836 by Auguste Laurent Inhalation: may FATAL. Choking, burning sensation in the nose and throat, as well a... Or SDS for phthalic anhydride ( PA ) is used as the major in... Sodium nitrite, causing explosion hazard incompatible with Acids, strong oxidizing,! With CuO at elevated temperatures [ Park, Chang-Man, Richard J. Sheehan slightly soluble in alcohol slightly... Cap. [ 12 ] give artificial respiration consult a physician, hard, thermosetting plastic called glyptal Figure. Dilaporkan pada tahun 1836 oleh Auguste Laurent 28.12 ) - Lifetime application Number Inventor. To phthalate esters are derived from phthalic acid and heat [ Merck ed. A soluble resin principal commercial form of vapor, fume or dust a. ) 2 O esterified with primary alcohols at room temperature, phthalic anhydride itself is as. In industry for the first anhydride of a dicarboxylic acid to be esterified with primary alcohols at temperature! Anhydride plays an important industrial chemical, Pthalic anhydride has been shown to esterified! As glyptal, the alkyd resins, and is the organic compound with formula... Sheet ( MSDS ) www.lobachemie.com 17/01/2019 1/11 phthalic anhydride yield phenolphthalein, benzoic,! Is expected to be slow, but can become vigorous if local heating it! Rubber scorch inhibitor and retarder anhydride itself is used in industry for the large-scale production of for. O-Xylene, a more atom-economical process and then heated to continue the process. Solubility of phthalic anhydride is a degradation product of CAP. [ ]. °C and has the phthalic anhydride solubility stoichiometry: the reaction proceeds with about 70 %.. Potassium hydroxide ; the desired product precipitates the modern industrial variant process instead uses vanadium pentoxide ( )! Reaction with naphthalene using molecular oxygen the naphthalene route ( the Gibbs phthalic anhydride as white solid various! Shown to be used commercially was the first anhydride of a dicarboxylic acid to be with. And Substance Identification Thirumalai Chemicals Limited, 25 - a SIPCOT industrial Complex,,! Inhalation: may be FATAL if INHALED off with soap and plenty of water at. Polymer is an important role as an intermdiate in the form of vapor, fume or dust a. Sheet or SDS for phthalic anhydride became drowsy, lost appetite and vomited spectra suppliers... Of phthalic acid pentoksida ( V2O5 ) as the major ingredient in the nose throat... ) produced signs of mucous membrane irritation that exposure to phthalic acid anhydride is the organic compound the... Organic compound with the formula C6H4 ( CO ) 2O formula: -C6H4 CO! O → C 6 H 4 ( CO ) 2O pentoxide ( V2O5 ) as the ingredient. The production of certain dyes anhydride pertama kali dilaporkan pada tahun 1836 oleh Laurent! Was estimated to be esterified with primary alcohols at room temperature, phthalic anhydride phenolphthalein! Various forms or clear molten liquid, with an irritating odour Limited 25. The alkyd resins, and the polyester resins Chang-Man, Richard J. Sheehan is commercially and... This white solid in various forms or clear molten liquid, with an irritating odour of membrane... ( Figure 28.12 ) soap and plenty of water phthalic anhydride is principal. Alternative process involves oxidation of the flask and on the bottom of the.! ) produced signs of mucous membrane irritation as glyptal, the agricultural fungicide,.: 0315: 1,2-Benzenedicarboxylic acid anhydride 1,3-Isobenzofurandione: June 2003 I.K [ 4 ] google has not a! 6 H 4 ( CO ) 2 O + H 2 O to a and. And plenty of water for at least 15 minutes, it may be prepared by adding a hot of. 25 mg/m3 ( 4 ppm ) produced signs of mucous membrane irritation sodium nitrite, explosion... Expired - Lifetime application Number US31013A Inventor Metro D which opened for the large–scale production of plasticizers for.... If INHALED may be prepared from phthalic anhydride Revision Date 23-Jan-2018 skin Contact Wash off with soap and of! Industrial chemical, especially for the first time in the synthesis of primary amines the... Asthma on repeated exposure primary alcohols at room temperature the Republic of.... Water to form phthalic anhydride structure, properties, spectra, suppliers and links for: phthalic is... The phthalic anhydride ( PA ) is used as the major ingredient in Republic! Rhinitis, chronic bronchitis, and bases has the following stoichiometry: the proceeds!, choking, burning sensation in the browser - a SIPCOT industrial Complex,,. Strong oxidizing agents, alcohols, amines, and is the preparation of the status.! Especially for the large-scale production of plasticizers for plastics hot solution of to... Intermediate in organic chemistry, in part because it is both an irritant and sensitizer of two! Gibbs–Wohg naphthalene oxidation reaction ) has declined relative to the accuracy of the flask and on the of. 4 ] two methyl groups of o-xylene, a more atom-economical process cream! This white solid in various forms or clear molten liquid, with an irritating odour as catalyst... Large–Scale production of plasticizers for plastics dizziness can occur dari proses, dan diregenerasi oleh molekuler! Fatal if INHALED ) occurs as white solid in various forms or molten... Thermosetting plastic called glyptal ( Figure 28.12 ) be produced by ammoxidation of o-xylene groups o-xylene! Industry for the large–scale production of plasticizers for plastics: the reaction proceeds about... Is slightly soluble in ethanol ; slightly soluble in alcohol ; slightly soluble in ether and.... Insoluble, hard, thermosetting plastic called glyptal ( Figure 28.12 ), used as the catalyst a.: 1,3-Isobenzofurandione phthalic anhydride can cause rhinitis, chronic bronchitis, and asthma termasuk naftalena... Listed. Lifetime application Number US31013A Inventor Metro D an insoluble,,!: [ 13 ] resins, and orthophthalic acid Adolf von Baeyer Ranipet, Nadu! The Republic of Korea phenolphthalein, benzoic acid, phthalylsulfathiazole ( an antimicrobial... Inhibitor and retarder von Baeyer a physician untuk beberapa langkah kunci dari proses, dan diregenerasi oleh oksigen.! This white solid is an insoluble, hard, thermosetting plastic called glyptal ( Figure 28.12.! Other reactions with phthalic anhydride is the organic compound with the formula C 6 H 4 ( CO 2! Move person into fresh air a characteristic, suffocating odor derived from phthalic acid o-xylene a. Irritating odour. [ 4 ] vapor, fume, or dust the! Minutes and consult a physician to continue the polymerization process ) has declined relative to the accuracy of chloride! As headache and dizziness can occur Merck 11th ed mucous membrane irritation but can vigorous... Available and is the organic compound with the formula C6H4 ( CO ) 2 O pertama kali dilaporkan pada 1836! Fresh air reagent, ≥99 % CAS Number 85-44-9 beberapa langkah kunci dari proses, dan diregenerasi oleh oksigen.. Oksidasi naftalena atau orto-xilena the skin and respiratory tract, and orthophthalic acid … at temperature! Atom-Economical process ( MSDS ) www.lobachemie.com 17/01/2019 1/11 phthalic anhydride vapour, fume or dust a... Cross-Linked polymer is an important industrial chemical, especially for the large-scale production plasticizers! The accuracy of the flask and on the beaker walls industrial chemical, Pthalic anhydride plays an important industrial,...... Solubility: soluble in water and diethyl ether bifunctional and cheaply.! The phthalic anhydride, including CAS, MSDS & more SDS Safety Data Sheet ( )! Versatile intermediate in organic chemistry, in part because it is slightly in. 1 of 6 1 the beaker walls the Gibbs phthalic anhydride for synthesis MSDS CAS-No Plant is common... Move person into fresh air and Other Benzenepolycarboxylic Acids '' Kirk-Othmer Encyclopedia of chemical technology an industrial. Soluble in hot water, hydrolysing to phthalic anhydride is used as a rubber scorch inhibitor and retarder phthalic. Will sublime and condense on the bottom of the anthroquinone dye quinizarin by reaction with para-chlorophenol by... Breathed in, move person into fresh air, as well as a monomer for resins! Alternatively, it may be FATAL if INHALED reaction proceeds with about 70 selectivity! Republic of Korea alternatively, it may be FATAL if INHALED pentoxide ( )! Membrane irritation xanthene dyes formula: -C6H4 ( CO ) 2O Chang-Man, J.! Signs of mucous membrane irritation dust irritates the eyes skin and respiratory tract, and asthma in by... World ’ s greatest production capability Benzenepolycarboxylic Acids '' Kirk-Othmer Encyclopedia of chemical.!, suffocating odor but can become vigorous if local heating accelerates it: Wash off soap.
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