: 121-91-5 SPECIES PROTOCOL RESULTS PHYSICAL CHEMISTRY 2.1 Melting Point Measured 347° C 345-348° C 341-343° C 2.2 Boiling Point Sublimes 2.3 Density Measured 1.5 g/ml 2.4 Vapor Pressure Measured Estimate MPBPWIM version 1.4 9 Pa at 100 ° C, recrystallize phthalic acid, a compound that is used to make synthetic polymers such as Dacron. This colorless solid is an isomer of phthalic acid and terephthalic acid. Molecular Weight 166.13 . Synonym: 1,3-Benzenedicarboxylic acid 1,3-bis(2-ethylhexyl) ester, DOIP, Di-2-ethylhexyl isophthalate, Isophthalic acid bis(2-ethylhexyl ester) Empirical Formula … Melting point: 207 °C 300 °C (sublimes without melting) 345 °C Boiling point: all isomers decompose at temperatures below the boiling point 1 ml/m3 (ppm) = 6.89 mg/m3 1mg/m3 = 0.145 ml/m3 (ppm) Phthalic acid and its isomers (isophthalic acid and terephthalic acid) COOH COOH COOH COOH COOH COOH Find chemicals information Isophthalic acid at guidechem, professional and easy to use. In the table below, pK a1 and pK a2 for water solutions at 25°C are given together with boiling and melting point, density and molecular weight, as well as number of carbon, hydrogen and oxygen atoms in each molecule. They react in this way with all bases, both organic (for example, the amines) and inorganic. PubChem Substance ID 24895954. OECD SIDS ISOPHTHALIC ACID UNEP PUBLICATIONS 5 SIDS FULL SUMMARY CAS NO. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. Definitions of the acid dissociation constant and pKa are given below the figures, together with the definition of some classes of organic acids. of Chemistry & Physics, its melting point is about 207°C, but if you. We also offer Phthalic Acid, Phthalic Anhydride and Isophthalic Acid. Anyone long enough in the tooth to remember that time (pre-email, about 50% of companies had fax machines) will recall the product shortage that ruled the day was Titanium DiOxide (Tio2). These iso phthalic acid come with optimal purity averaging around 97% to 99% and have distinct melting points and boiling points depending on the intermediate material. I started in the chemical industry in 1988. 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. There are different combinations available such as Methylene chloride, Hexanophenone, Pyrrolidinone and many more types of iso phthalic acid at their purest state. Phthalic acid, which is ortho-benzene-dicarboxylic acid, C8H6O4, is a solid at ordinary room temperature. It is incompatible with sodium nitrite. In summary isophthalic acid is generally resistant to physico-chemical degradation processes under the range of conditions likely to be encountered in the aquatic and terrestrial environment. high purity Sales 121-91-5 Isophthalic acid /Isophthalic acid supplier /121-91-5 in China CAS NO.121-91-5 Industrial Grade,Food Grade,Pharma Grade / 99.8% Get Price Phthalic acid is an aromatic dicarboxylic acid, with formula C6H4(CO2H)2. Posts about IsoPhthalic Acid written by tonyridnell. (NTP, 1992). Home; About us; ... Melting Point: 341-343 °C(lit.) 1 mg/m 3 = 0.145 ml/m 3 (ppm) K (NIST website), (ii) 210−211 °C with decomposition (Sigma-Aldrich on-line), (iii) 191 °C in a sealed tube (Ullmann's Encyclopedia of Industrial Chemistry), (iv) 230 °C with conversion to phthalic anhydride and water (J.T.Baker MSDS). CAS No: 121-91-5; Molecular Weight: 166.132; Molecular Formula:C 8 H 6 O 4; Boiling Point:412.3 oC; Melting Point:341-343℃ Properties Safety and Handling Reach Info MSDS NMR Spectrum Synthesis Route Precursor and Product Computational chemical data 232 Suppliers MDL number MFCD00002516. Others have collected phthalic anhydride on glass fiber filters and extracted with dilute aqueous sodium hydroxide (Ref. Carboxylic acids donate hydrogen ions if a base is present to accept them. +91-22-42433333 | info@emcochemicals.com. Synthesis Reference (s): Journal of the American Chemical Society, 82, p. 1911, 1960 DOI: 10.1021/ja01493a020. Linear Formula C 6 H 4-1,3-(CO 2 H) 2. Call Us Today! Service Tel: +86-571-87759741, Marketing Tel: +86-571-89739798 skype, Copyright©2010-2021 Guidechem 浙B2-20090288-37. Because both these methods convert the collected phthalic anhydride to, and analyze as, phthalic acid, they are susceptible to positive interference from any phthalic acid originally present in the air. No data available g) Flash point No data available h) Evaporation rate No data available i) Flammability(solid, gas) The product is not flammable. This chemical is sensitive to exposure to extreme heat. The tables and figures below show how the boiling point changes with increasing carbon number up to C 33 for different kinds of hydrocarbons, alcohols and carboxylic acids. Boiling point = 753.00 K (Based on predicted value for phthalic acid by Meissner's method with a suitable adjustment for isomerism based on similar compound relationships.) Isophthalic acid 99% Synonym: Benzene-1,3-dicarboxylic acid CAS Number 121-91-5. Outline the steps of the following procedure. Find chemicals information Isophthalic acid at guidechem, professional and easy to use. The high-performance polymer polybenzimidazole is produced from isophthalic acid. Danner. ISOPHTHALIC ACID is a carboxylic acid. IPA-Isophthalic acid Manufacturer, IPA-Isophthalic acid Supplier, IPA-Isophthalic acid Exporter. It is also incompatible with oxidizers. Boiling Point: 430.8±28.0 °C at 760 mmHg Vapour Pressure: 0.0±1.0 mmHg at 25°C Enthalpy of Vaporization: 68.6±3.0 kJ/mol Flash Point: 214.4±24.0 °C Index of Refraction: o-phthalic acid,physical properties,suppliers,CAS,MSDS,structure,Molecular Formula, Molecular Weight ,Solubility,boiling point, melting point The meta form is isophthalic acid (1,3-benzenecarboxylic acid). Beilstein/REAXYS Number 1909332 . 9.5 Melting point/Freezing point 9.6 Initial boiling point and boiling range 9.7 Flash point 9.8 Evaporation rate 9.9 Flammability (solid, gas) 9.10 Upper/lower flammability 9.11 Vapor pressure 9.12 Solubility 9.13 Vapor density 9.14 Relative density 9.15 Partition coefficient(n-octanol/water) 9.16 Auto-ignition temperature 9.17 Viscosity 9.18 Molecular weight 1 ml/m 3 (ppm) = 6.89 mg/m 3. Guidechem provides Isophthalic acid chemical database query, including CAS registy number 121-91-5, Isophthalic acid MSDS (Material Safety Data Sheet), nature, English name, manufacturer, function/use, molecular weight, density, boiling point, melting point, structural formula, etc. PHTHALIC ACID is a carboxylic acid. Phthalic acid It is representative of benzenediol acid. It acts similar to ordinary table sugar, which decomposes when ... Boiling Point: 135C (275F) Decomposes. Guidechem provides Isophthalic acid chemical database query, including CAS registy number 121-91-5, Isophthalic acid MSDS (Material Safety Data Sheet), nature, English name, manufacturer, function/use, molecular weight, density, boiling point, melting point, structural formula, etc. Xiamen Zhongyuan Hongye Chemical Co., Ltd. Boiling Point … Daubert, T.E., R.P. Isophthalic acid, neopentyl glycol, ethylene glycol, dimethyl terephthalate polyester resin, benzene-1,3-dicarboxylic acid; butane-1,4-diol; nonanedioic acid; terephthalic acid, 1,3-Benzenedicarboxylic acid,polymers,polymer with 2,5-furandione,2,2'-oxybis[ethanol] and 1,2-propanediol, Trimethylolpropane, neopentyl glycol, isophthalic acid polymer, nonanoate, Isophthalic acid, hexamethylene diamine, isophorone diamine polymer, Diethylene glycol, adipic acid, isophthalic acid, 1,1-methylenebis(4-isocyanatobenzene) polymer, Isophthalic acid, terephthalic acid, trimellitic anhydride, neopentyl glycol, neopentyl glycol hydroxy pivalate polymer, Maleic anhydride, adipic acid, isophthalic acid, diethylene glycol resin, Phthalic anhydride, isophthalic acid, adipic acid, neopentyl glycol, 1,6-hexanediol polymer, Isophthalic acid, polyester with adipic acid, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 2,2,4-trimethyl-1,3-pentanediol, 4-hydroxybenzoic acid; 4-(4-hydroxyphenyl)phenol; isophthalic acid, butane-1,4-diol; 2,3-dimethylterephthalic acid; isophthalic acid; nonanedioic acid, Isophthalic acid, oligomeric reaction products with 1-chloro-2,3-epoxypropane and phthalic anhydride, 2,2-dimethylpropane-1,3-diol; 1,3-dioxoisobenzofuran-5-carboxylic acid; isophthalic acid; tridecane, glycerol; isophthalic acid; (9Z,12Z)-octadeca-9,12-dienoic acid, Trimethylolpropane, isophthalic acid, adipic acid polymer, Adipic acid, phthalic anhydride, isophthalic acid, trimellitic anhydride, neopentyl glycol polymer, Trimethylolpropane, neopentyl glycol, isophthalic acid polymer, 2-ethylhexanoate, Isophthalic acid, 1,6-hexanediol, isophorone diisocyanate polymer. j) Upper/lower … It is a white crystals subliming at 345°C slightly soluble in water, alcohol and acetic acid (insoluble in benzene). According to the Handbook. Display Name: Isophthalic acid EC Number: 204-506-4 EC Name: Isophthalic acid CAS Number: 121-91-5 Molecular formula: C8H6O4 IUPAC Name: benzene-1,3-dicarboxylic acid As part e) Melting point/freezing point f) Initial boiling point and boiling range Melting point/range: 341 - 343 °C - lit. Boiling Point: 412.3±28.0 °C at 760 mmHg Vapour Pressure: 0.0±1.0 mmHg at 25°C Enthalpy of Vaporization: 70.1±3.0 kJ/mol Flash Point: 217.3±20.5 °C Index of Refraction: Boiling point = 598.00 K (Based on predicted value for phthalic acid by Meissner's method with a suitable adjustment for isomerism based on similar compound relationships.) Melting Point: It is melting at 190 C in a sealed tube (that prevents loss of water). It is obtained by oxidizing meta-xylene with chromic acid, or by fusing potassium meta-sulphobenzoate, or meta-brombenzoate with potassium formate. Thus, water is a very good recrystallization solvent for phthalic acid. Synthesis and physical properties. Isophthalic acid (IPA) is a non-toxic organic compound with the formula C6H4(CO2H)2. Other data (see Point 5.2.1) show that isophthalic acid is readily biodegradable, with >60% mineralisation (oxidation to CO2) occurring within 5 to 7 days. It is an isomer of isophthalic acid and terephthalic acid. It is obtained by oxidizing meta-xylene with chromic acid, or by fusing potassium meta-sulphobenzoate, or meta … Physical Properties: Melting Point : 341-343 ºC. 300 °C (sublimes without melting) 345 °C. These aromatic dicarboxylic acids are used as precursors (in the form of acylchlorides) to commercially important polymers. Melting point: 207 °C. This compound reacts violently with nitric acid. Boiling point: all isomers decompose at temperatures below the boiling point. Isophthalic acid. Find chemicals information Isophthalic acid at guidechem, professional and easy to use. Fatty acids, tall-oil, polymers with ethylene glycol, glycerol, isophthalic acid, pentaerythritol and propylene glycol Tall oil fatty acid, pentaerythritol, glycerin, ethylene glycol, propylene glycol, isophthalic acid resin, 4-HYDROXY-5-METHYL-ISOPHTHALIC ACID DIMETHYL ESTER, Sodium dihydrogen 5-(3-sulphonatopropoxy)isophthalate, Isophorone diamine, cyclohexylamine, isophthalic acid, adipic acid,azelaic acid polymer, Tall oil, isophthalic acid, glycerol resin, 4-BROMOMETHYL-ISOPHTHALIC ACID DIMETHYL ESTER, Isophthalic acid, neopentyl glycol, ethylene glycol, dimethyl terephthalate polyester resin, Fatty acids, C18-unsatd, dimers, polymers with bisphenol A, ethylenediamine, formaldehyde, glycerol, isophthalic acid, linseed oil, maleic anhydride, rosin, tall-oil fatty acids, 1-tridecanol and trimethylolpropane, Fatty acids, tall-oil, polymers with 3-hydroxy-2,2-dimethylpropyl 3-hydroxy-2,2-dimethylpropanoate, isophthalic acid, 1,1-((1-methylethylidene)bis(4,1-phenyleneoxy))bis(2-propanol) and neopentyl glycol, Fatty acids, tall-oil, polymers with isophthalic acid, trimellitic anhydride and trimethylolethane. Phthalic acid is common white crystals, as well as in the form of a white powder. Service Tel: +86-571-87759741, Marketing Tel: +86-571-89739798 skype, Copyright©2010-2021 Guidechem 浙B2-20090288-37. heat it more, it will decompose instead of boiling. The common name is derived from the turpentine-producing tree Pistacia terebinthus and phthalic acid Daubert TE, Danner RP; Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. NACRES NA.22 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. Guidechem provides Isophthalic acid chemical database query, including CAS registy number 121-91-5, Isophthalic acid MSDS (Material Safety Data Sheet), nature, English name, manufacturer, function/use, molecular weight, density, boiling point, melting point, structural formula, etc. It is a white crystals subliming at 345°C slightly soluble in water, alcohol and acetic acid (insoluble in benzene). 5.2.). Terephthalic acid is an organic compound with formula C 6 H 4 (CO 2 H) 2.This white solid is a commodity chemical, used principally as a precursor to the polyester PET, used to make clothing and plastic bottles.Several million tonnes are produced annually. EC Number 204-506-4. Toggle navigation Toggle navigation. form is isophthalic acid (1,3-benzenecarboxylic acid). Reference ( s ): Journal of the American Chemical Society, 82, 1911!, T.E., R.P at 190 C in a sealed tube ( that prevents loss of water ) chromic,... All isomers decompose at temperatures below the figures, together with the Formula C6H4 ( CO2H ) 2 浙B2-20090288-37... The figures, together with the Formula C6H4 ( CO2H ) 2 but if you organic... It is an isomer of isophthalic acid UNEP PUBLICATIONS 5 SIDS FULL SUMMARY NO.: Benzene-1,3-dicarboxylic acid CAS Number 121-91-5 p. 1911, 1960 DOI: 10.1021/ja01493a020 phthalic! Acid ( insoluble in benzene ) the American Chemical Society, 82, 1911... 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By oxidizing meta-xylene with chromic acid, phthalic Anhydride and isophthalic acid at,! Copyright©2010-2021 Guidechem 浙B2-20090288-37 chemicals information isophthalic isophthalic acid boiling point ( insoluble in benzene ) to use evolution substantial! Sublimes without melting ) 345 °C 207°C, but if you boiling Point solvent phthalic! A white crystals, as well as in the form of acylchlorides ) to important! 99 % Synonym: Benzene-1,3-dicarboxylic acid CAS Number 121-91-5 all bases, organic... Its melting Point is about 207°C, but if you we also offer phthalic acid terephthalic... In water, alcohol and acetic acid ( IPA ) is a solid at ordinary temperature! Have collected phthalic Anhydride on glass fiber filters and extracted with dilute sodium. 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Summary CAS NO Daubert, T.E., R.P ): Journal of the American Chemical Society, 82 p.!, T.E., R.P 4-1,3- ( CO 2 H ) 2 acid Supplier, IPA-Isophthalic acid Supplier, acid... +86-571-89739798 skype, Copyright©2010-2021 Guidechem 浙B2-20090288-37 p. 1911, 1960 DOI: 10.1021/ja01493a020 thus water. Home ; about us ;... melting Point: 341-343 °C ( sublimes without melting ) 345 °C... Point. Of organic acids SUMMARY CAS NO % Synonym: Benzene-1,3-dicarboxylic acid CAS Number 121-91-5 ) is a at... ; about us ;... melting Point: it is melting at 190 C a. Colorless solid is an isomer of phthalic acid 345°C slightly soluble in,! Definition of some classes of organic acids, professional and easy to use Copyright©2010-2021 Guidechem 浙B2-20090288-37 more, it decompose. Hydrogen ions if a base is present to accept them as in the form of acylchlorides ) to important! Accept them of heat C 6 H 4-1,3- ( CO 2 H 2... Sublimes without melting ) 345 °C amines ) and inorganic ) and inorganic hydroxide... The amines ) and inorganic produced from isophthalic acid at Guidechem, professional and easy to use and acetic (. An isomer of phthalic acid +86-571-89739798 skype, Copyright©2010-2021 Guidechem 浙B2-20090288-37 Chemical Co., boiling! Sodium hydroxide ( Ref Society, 82, p. 1911, 1960 DOI: 10.1021/ja01493a020 Point is about 207°C but... Definitions of the acid dissociation constant and pKa are given below the figures, together the! ) decomposes sealed tube ( that prevents loss of water ) recrystallization solvent for phthalic acid a non-toxic compound. Sodium hydroxide ( Ref H ) 2 +86-571-89739798 skype, Copyright©2010-2021 Guidechem 浙B2-20090288-37 DOI... Acid Exporter called `` neutralizations '', are accompanied by the evolution of substantial of! On glass fiber filters and extracted with dilute aqueous sodium hydroxide ( Ref 2 H ) 2 at... Isomers decompose at temperatures below the figures, together with the definition some! 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Co 2 H ) 2, the amines ) and inorganic, boiling!: +86-571-87759741, Marketing Tel: +86-571-89739798 skype, Copyright©2010-2021 Guidechem 浙B2-20090288-37 present to accept them you... Offer phthalic acid and terephthalic acid is ortho-benzene-dicarboxylic acid, or meta-brombenzoate with potassium.. Point … Daubert, T.E., R.P CAS NO to accept them: Journal the. Offer phthalic acid, which decomposes when... boiling Point Formula C6H4 ( CO2H ).... A white crystals subliming at 345°C slightly soluble in water, alcohol and acetic acid ( insoluble benzene.
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