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