of the experiment, the melting points of phthalic acid, impure phthalic acid, and recrystallized phthalic acid were observed as shown in Table-1. Phthalic acid is common white crystals, as well as in the form of a white powder. It donates hydrogen ions if a base is present to accept them. Unit. Application. It is miscible with ethylene glycol (EG). Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. GENERAL. 66-69°C. Separation of isophthalic and terephthalic acid mixtures Download PDF Info Publication number US2697723A. The melting point of isopthalic acid, measured under high pressure (3447379 Pa) to suppress its sublimation, was 348 degrees C. The same method could be adapted to synthesize bio-based isophthalic acid (Miller et al., 2014; Tachibana et al., 2015). It is a white crystals subliming at 345°C slightly soluble in water, alcohol and acetic acid (insoluble in benzene). Articles of 5-Nitroisophthalic acid are included as well. CopyCopied, CSID:8182, http://www.chemspider.com/Chemical-Structure.8182.html (accessed 01:30, Jan 9, 2021) The phthalic acid isomers are of low acute toxicity, like salicylic and benzoic acids. Number of Components Comps. j) Upper/lower flammabilityor ... Hamster(Isophthalic acid) ovary Result: negative Carcinogenicity One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and terephthalic acid Carboxylic acids donate hydrogen ions if a base is present to accept them. $0.00. 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. The material is a low-toxicity, easy-to-handle clear liquid with a high boiling point and a low freezing point. Boiling Point: 378.274 °C at 760 mmHg: Flash Point: 196.749 °C: Solubility: water: 0.01 g/100 mL (25 °C) Appearance: Phthalic acid It is representative of benzenediol acid. Additional Information. 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. ISOPHTHALIC ACID. Made in Germany! Discussion Of Results And Calculations Questions: 1. 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. Melting point: 207 °C (405 °F; 480 K) Solubility in water. 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 … TEREPHTHALIC ACID is a carboxylic acid. 1 CHO cells treated for 10 hours at 37±1 °C in the absence of an exogenous source of metabolic activation.. 2 Mitotic index is number mitotic figures x 100/500 cells counted.. 3 Excluding cells with only gaps.. 4 Chromatid breaks include chromatid and isochromatid breaks and fragments; chromatid exchange figures include quadriradials, triradials and complex rearrangements. isophthalic acid - cas 121-91-5, synthesis, structure, density, melting point, boiling point Find chemicals information Isophthalic acid at guidechem, professional and easy to use. 1. 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. EC Number 204-506-4. Molecular Weight 166.13 . Properties: Chemical formula: C 6 H 4 (COOH) 2; Melting point: 300°c MSDS: Chinese USA: Flash Point: 213.9±15.8 °C: Symbol: GHS07: Signal Word: Warning × Figure 8.6. 10 mg. Price(USD) Price. Packing. Also known as benzene-1, 3-dicarboxylic acid,Iisophthalic Acid is an aromatic dicarboxylic acid. These results showed that the ranges in melting points of the phthalic acid and recrystallized phthalic acid were the same. Carboxylic acids donate hydrogen ions if a base is present to accept them. CAS# 121-91-5. DIMETHYL ISOPHTHALATE. Linear Formula C 6 H 4-1,3-(CO 2 H) 2. Reference price of Isophthalic acid is 977.447USD/MT, down 0.14% from 978.854USD/MT on 2020-03-11. 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! 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 … Synonym: 1,3-Benzenedicarboxylic acid 1,3-bis(2-ethylhexyl) ester, DOIP, Di-2-ethylhexyl isophthalate, Isophthalic acid bis(2-ethylhexyl ester) Empirical Formula (Hill Notation): C … ChemicalBook Provide 121-91-5(Isophthalic acid)Melting Point Boiling Point Density,121-91-5(Isophthalic acid) CAS Chemical Properties MSDS. Phthalic acid. o‐Phthalic acid forms rhombic crystals which begin to decompose at temperatures of about 196–199°C, losing water and yielding phthalic anhydride.The isomers, terephthalic acid and isophthalic acid, occur as colourless needles. CopyCopied, InChI=1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12) ISOPHTHALIC ACID Section 1 - Chemical Product and Company Identification MSDS Name: ISOPHTHALIC ACID, 99% Synonyms: 1,3-Benzenedicarboxylic acid Company Identification: (INDIA) Veritas House, 70 Mint Road, Fort, Mumbai - 400 001. Insoluble in water but even "insoluble" carboxylic acids may absorb enough water from the air and dissolve sufficiently in it to corrode or dissolve iron, steel, and aluminum parts and containers. 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). ... Melting Point: 341-343 °C(lit.) Isophthalic acid is an Isomer of Phthalic Acid and Terephthalic Acid. No data available g) Flash point No data available h) Evaporation rate No data available i) Flammability(solid, gas) The product is not flammable. The acid residues may be derived from the acids themselves or polyamide-forming functional derivatives thereof, e.g. Melting point. Phthalic Acid, also called Benzenedicarboxylic Acid with formula C 6 H 4 (COOH) 2, is the name of any of three isomers. Isophthalic acid dimethyl ester 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. 124 °C (12 mmHg) Assay. 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: Dissociation: Incompatible with strong oxidizing agents, strong bases. 2. Fig. This colorless solid is an isomer of phthalic acid and terephthalic acid. 230 °C Jean-Claude Bradley Open Melting Point Dataset 16989, 28454: 205 °C (Decomposes) Alfa Aesar 41770, A14450: 210-211 °C (Decomposes) SynQuest 52322, 210-211 °C (Decomposes, Literature) LabNetwork LN00194231: 204-209 °C LabNetwork LN00194231: 210-211 °C (Decomposes) SynQuest 52322, 2621-1-12: 210-211 °C (Decomposes) Sigma-Aldrich USP-1535899: 191 °C (Decomposes) Kaye … Related Suppliers More Isophthalic acid Suppliers. 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