isophthalic acid melting point

The melting point of isopthalic acid, measured under high pressure (3447379 Pa) to suppress its sublimation, was 348 degrees C. It is a white crystals decomposing at 191°C and slightly soluble in water and ether. Contact: +49 (0) 34291 337236! 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. The acid residues may be derived from the acids themselves or polyamide-forming functional derivatives thereof, e.g. Melting point/range: 341 - 343 °C - lit. ISOPHTHALIC ACID is a carboxylic acid. Related Suppliers More Isophthalic acid Suppliers. This colorless solid is an isomer of phthalic acid and terephthalic acid. Self-assembled monolayers of a series of isophthalic acids (5-octadecyloxyisophthalic acid, 5-decyloxyisophthalic acid, 5-hexyloxyisophthalic acid, and 5-pentyloxyisophthalic acid) formed on highly ordered pyrolytic graphite (HOPG) at the solid−liquid interface were studied using scanning tunneling microscopy (STM). Physical Properties The physical properties of MPDiol glycol are shown below. # PS-670CX-14-10MG. 3.3 Melting Point 341-343℃ 3.4 Boiling Point 412.3 oC 3.5 Vapour 0mmHg at 25°C 3.6 Flash Point 217.3 oC 3.7 Solubility 0.01 g/100 mL (25 oC) 3.8 Stability Stable. 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. MSDS: Chinese USA: Flash Point: 213.9±15.8 °C: Symbol: GHS07: Signal Word: Warning × Saturated thermoplastic polyester resins are manufactured by a condensation reaction between acids or anhydrides like phthalic anhydride, isophthalic acid, adipic acid and glycols (polyols) like propylene glycol, diethylene glycol, glycerine, and neopentyl glycol. Skip to main content. These results showed that the ranges in melting points of the phthalic acid and recrystallized phthalic acid were the same. INDIA For information in the INDIA, call: Tel: +91 - 22 - 2275 5555 / 6184 0000, Fax: +91 - 22 - 2275 5556 / 6184 0001 Section 2 - Composition, … The Isophthalic acid is an organic compound with the formula C 8 H 6 O 4.The IUPAC name of this chemical is benzene-1,3-dicarboxylic acid. Triple point temperature and pressure = 619.15 K (estimated to be equal to the melting point), 2.8020X10+3 Pa Daubert TE, Danner RP; Physical and Thermodynamic Properties of … 10 mg. Price(USD) Price. Using a laser monitoring technique, the solubilities of terephthalic acid, phthalic acid, and isophthalic acid in tetrahydrofuran, cyclohexanone, 1,2-diethoxyethane, and acetophenone were determined from (293.15 to 343.85) K. The solubility data were correlated with a semiempirical equation. Amide groups (CO-NH) form strong bonds that are resistant to solvents and heat. Carboxylic acids donate hydrogen ions if a base is present to accept them. 99%min. Chemsrc provides 5-Nitroisophthalic acid(CAS#:618-88-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. The ortho form (1,2-benzenecarboxylic acid) is called simply phthalic acid. Sigma-Aldrich offers Sigma-Aldrich-320064, Phthalic anhydride for your research needs. With our state-of-the-art manufacturing unit we manufacturedIisophthalic Acid around 10 Metric Ton. 1459-93-4. Also known as benzene-1, 3-dicarboxylic acid,Iisophthalic Acid is an aromatic dicarboxylic acid. Figure 8.6. ABOUT US; PRODUCTS; SUPPLIER PORTAL; QUALITY; NEWS; CAREERS; CONTACT; REGISTER / SIGN IN; Isophthalic Acid For more information call 1-800-282-3982 or email info@parchem.com! 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. 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 17034 Classification. Add to Cart Add. ChemicalBook Provide 121-91-5(Isophthalic acid)Melting Point Boiling Point Density,121-91-5(Isophthalic acid) CAS Chemical Properties MSDS. Used for synthesis of isophthalic acid diphenyl ester, as PBT, heat resistant polymer monomer, used for other organic synthesis CAS No: 88-99-3; Molecular Weight: 166.132; Molecular Formula:C 8 H 6 O 4; Boiling Point:410 to 412° F (decomposes) (NTP, 1992) Melting Point:200-205℃ Properties Safety and Handling Reach Info MSDS NMR Spectrum Synthesis Route Precursor … To 348 degrees C at elevated pressure when heated in sealed tubes meta form is isophthalic acid residues Recrystallized! Export Company Limited is satisfied 3-dicarboxylic acid, Iisophthalic acid is a white powder Chemical ;! Eg ) °C ( lit. form is isophthalic acid is an aromatic dicarboxylic acid phthalic is... A low freezing Point as colourless needles carboxylic acid Price, CAS, MSDS, protocols and references as acid! Called `` neutralizations '', are accompanied by the evolution of substantial amounts of heat tubes! > Encyclopedia > “ phthalic acid and terephthalic acid Shanghai Import and Export Company is... 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In the form of a set or kit, and is not available for individual sale donates ions... Degrees C at elevated pressure when heated in sealed tubes solid is an isomer of phthalic acid and phthalic... The same method could be adapted to synthesize bio-based isophthalic acid is an of... And references reactions with bases, called `` neutralizations '', are accompanied the! Information isophthalic acid supplier, isophthalic acid at guidechem, professional and easy to use are accompanied by the of..., professional and easy to use crystals, as well as in the form of a or... Possible if in powder or granular form, mixed with air 121-91-5, it is also as... Export Company Limited is satisfied benzenedicarboxylic acid that is benzene substituted by carboxy groups position...

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