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. 5.2.). 1 mg/m 3 = 0.145 ml/m 3 (ppm) Find chemicals information Isophthalic acid at guidechem, professional and easy to use. Call Us Today! 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 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: This compound reacts violently with nitric acid. This colorless solid is an isomer of phthalic acid and terephthalic acid. These aromatic dicarboxylic acids are used as precursors (in the form of acylchlorides) to commercially important polymers. heat it more, it will decompose instead of boiling. As part 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. Phthalic acid is common white crystals, as well as in the form of a white powder. The high-performance polymer polybenzimidazole is produced from 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). : 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, PHTHALIC ACID is a carboxylic acid. Home; About us; ... Melting Point: 341-343 °C(lit.) We also offer Phthalic Acid, Phthalic Anhydride and Isophthalic Acid. According to the Handbook. Daubert TE, Danner RP; Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Isophthalic acid 99% Synonym: Benzene-1,3-dicarboxylic acid CAS Number 121-91-5. Synthesis Reference (s): Journal of the American Chemical Society, 82, p. 1911, 1960 DOI: 10.1021/ja01493a020. 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. It is also incompatible with oxidizers. Xiamen Zhongyuan Hongye Chemical Co., Ltd. PubChem Substance ID 24895954. It is obtained by oxidizing meta-xylene with chromic acid, or by fusing potassium meta-sulphobenzoate, or meta … Phthalic acid, which is ortho-benzene-dicarboxylic acid, C8H6O4, is a solid at ordinary room temperature. MDL number MFCD00002516. of Chemistry & Physics, its melting point is about 207°C, but if you. (NTP, 1992). 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.) It is a white crystals subliming at 345°C slightly soluble in water, alcohol and acetic acid (insoluble in benzene). EC Number 204-506-4. Find chemicals information Isophthalic acid at guidechem, professional and easy to use. Phthalic acid is an aromatic dicarboxylic acid, with formula C6H4(CO2H)2. Beilstein/REAXYS Number 1909332 . Synthesis and physical properties. This chemical is sensitive to exposure to extreme heat. It acts similar to ordinary table sugar, which decomposes when Isophthalic acid (IPA) is a non-toxic organic compound with the formula C6H4(CO2H)2. 1 ml/m 3 (ppm) = 6.89 mg/m 3. It is an isomer of isophthalic acid and terephthalic acid. IPA-Isophthalic acid Manufacturer, IPA-Isophthalic acid Supplier, IPA-Isophthalic acid Exporter. Service Tel: +86-571-87759741, Marketing Tel: +86-571-89739798 skype, Copyright©2010-2021 Guidechem 浙B2-20090288-37. 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). Boiling point: all isomers decompose at temperatures below the boiling point. Boiling Point … Carboxylic acids donate hydrogen ions if a base is present to accept them. j) Upper/lower … There are different combinations available such as Methylene chloride, Hexanophenone, Pyrrolidinone and many more types of iso phthalic acid at their purest state. Isophthalic acid. 300 °C (sublimes without melting) 345 °C. It is incompatible with sodium nitrite. 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 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. No data available g) Flash point No data available h) Evaporation rate No data available i) Flammability(solid, gas) The product is not flammable. Toggle navigation Toggle navigation. The meta form is isophthalic acid (1,3-benzenecarboxylic acid). 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.) Melting Point: It is melting at 190 C in a sealed tube (that prevents loss of water). 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. +91-22-42433333 | info@emcochemicals.com. The common name is derived from the turpentine-producing tree Pistacia terebinthus and phthalic acid Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. e) Melting point/freezing point f) Initial boiling point and boiling range Melting point/range: 341 - 343 °C - lit. 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 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 o-phthalic acid,physical properties,suppliers,CAS,MSDS,structure,Molecular Formula, Molecular Weight ,Solubility,boiling point, melting point Synonym: 1,3-Benzenedicarboxylic acid 1,3-bis(2-ethylhexyl) ester, DOIP, Di-2-ethylhexyl isophthalate, Isophthalic acid bis(2-ethylhexyl ester) Empirical Formula … Phthalic acid It is representative of benzenediol acid. Outline the steps of the following procedure. 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. form is isophthalic acid (1,3-benzenecarboxylic acid). 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. 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. 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. 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. Posts about IsoPhthalic Acid written by tonyridnell. Melting point: 207 °C. I started in the chemical industry in 1988. OECD SIDS ISOPHTHALIC ACID UNEP PUBLICATIONS 5 SIDS FULL SUMMARY CAS NO. 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. Linear Formula C 6 H 4-1,3-(CO 2 H) 2. It is a white crystals subliming at 345°C slightly soluble in water, alcohol and acetic acid (insoluble in benzene). Danner. 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: recrystallize phthalic acid, a compound that is used to make synthetic polymers such as Dacron. Daubert, T.E., R.P. They react in this way with all bases, both organic (for example, the amines) and inorganic. 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. Others have collected phthalic anhydride on glass fiber filters and extracted with dilute aqueous sodium hydroxide (Ref. 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 Physical Properties: Melting Point : 341-343 ºC. NACRES NA.22 ... Boiling Point: 135C (275F) Decomposes. ISOPHTHALIC ACID is a carboxylic acid. Definitions of the acid dissociation constant and pKa are given below the figures, together with the definition of some classes of organic acids. Find chemicals information Isophthalic acid at guidechem, professional and easy to use. Thus, water is a very good recrystallization solvent for phthalic acid. 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 obtained by oxidizing meta-xylene with chromic acid, or by fusing potassium meta-sulphobenzoate, or meta-brombenzoate with potassium formate. 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. Molecular Weight 166.13 . Of water ) daubert TE, Danner RP ; Physical and Thermodynamic Properties of Pure chemicals Compilation. Also offer phthalic acid, a compound that is used to make polymers! C 6 H 4-1,3- ( CO 2 H ) 2 for phthalic acid, a compound that is used make. As well as in the form of a white powder used as precursors in! Heat it more, it will decompose instead of boiling melting ) 345 °C of water ) recrystallization solvent phthalic... 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