Carboxylic acids donate hydrogen ions if a base is present to accept them. 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). Phthalic acid. ISO 9001. Made in Germany! Chemsrc provides Isophthalic acid(CAS#:121-91-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 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 main industrial uses of purified isophthalic acid (PIA) are for the production of polyethylene terephthalate (PET) resin and for the production of unsaturated polyester resin (UPR) and other types of coating resins. Skip to main content. Reference price of Isophthalic acid is 977.447USD/MT, down 0.14% from 978.854USD/MT on 2020-03-11. 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 … 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! Find product specific information including uses, price, CAS, MSDS, protocols and references. 25Kg /drum or as customer demand. Contact: +49 (0) 34291 337236! INDIA For information in the INDIA, call: Tel: +91 - 22 - 2275 5555 / 6184 0000, Fax: +91 - 22 - 2275 5556 / 6184 0001 Section 2 - Composition, … As mentioned before, PCT has such a high T m (up to 295 °C) that higher processing temperature (above 300 °C) is required to process the homopolymer and it results in the occurrence of thermal decomposition. j) Upper/lower flammabilityor explosive limits No data available k) Vapour pressure No data available l) Vapour density No data available m) Relative density 1.53 g/cm3 at 25 °C. The meta form is isophthalic acid (1,3-benzenecarboxylic acid). Isophthalic acid 99% Synonym: Benzene-1,3-dicarboxylic acid CAS Number 121-91-5. Definitions of the acid dissociation constant and pKa are given below the figures, together with the definition of some classes of organic acids. 8.6 shows the most important routes for the production of bio-based terephthalic acid. 3.9 HS Code 29173980 3.10 Storage temp Store in a tightly closed container. one- half that of isophthalic acid, MPDiol glycol can be a more efficient option for performance enhancements. Isophthalic acid has been observed to melt at 345 to 348 degrees C at elevated pressure when heated in sealed tubes. CopyCopied, Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:30802, ACD/Labs Percepta Platform - PhysChem Module, US Environmental Protection Agency’s EPISuite™, Compounds with the same molecular formula, Search Google for structures with same skeleton, CAUTION: May irritate eyes, skin, and respiratory tract. Email. Isophthalic acid is a carboxylic acid. Melting point: 345-348°C Relative density (water = 1): 1.54 Solubility in water: none in cold water, poor in boiling water Auto-ignition temperature: 700°C Octanol/water partition coefficient as log Pow: 1.66 Isophthalic acid is an organic compound with the formula C 6 H 4 (CO 2 H) 2. Amide groups (CO-NH) form strong bonds that are resistant to solvents and heat. Beilstein/REAXYS Number 1909332 . 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. c1cc(cc(c1)C(=O)O)C(=O)O A benzenedicarboxylic acid that is benzene substituted by carboxy groups at position 1 and 3. This "neutralization" generates substantial amounts of heat and produces water plus a salt. 66-69°C. This colorless solid is an isomer of phthalic acid and terephthalic acid. ... Melting point/freezing point no data available f) Initial boiling point and boiling range no data available g) Flash point no data available Incompatible with strong oxidizing agents, strong bases. 1 Toxic Effects and Modes of Action. ISOPHTHALIC ACID is a carboxylic 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. 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. Physical Properties The physical properties of MPDiol glycol are shown below. Application. 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: Linear Formula C 6 H 4-1,3-(CO 2 H) 2. 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 … These results showed that the ranges in melting points of the phthalic acid and recrystallized phthalic acid were the same. Reference Material. Dust explosion possible if in powder or granular form, mixed with air. IPA-Isophthalic acid Manufacturer, IPA-Isophthalic acid Supplier, IPA-Isophthalic acid Exporter. They react in this way with all bases, both organic (for example, the amines) and inorganic. (2-hydroxy-1-naphthyl)acetic acid (10441-45-9), 2-naphthalen-2-ylsulfanylacetic acid (93-21-0), 7-methyl-2-phenylimidazo[1,2-a]pyrimidin-5-yl hydrosulfide, bis(trifluoromethyl)phosphinous acid (359-65-9), 2,5-dihydro-1,2,4-benzothiadiazepine 1,1-dioxide, N,N-dimethyl-1,2-diphenylethanamine (6319-84-2), (1Z)-N,N-dimethyl-1,2-diphenyl-1-propen-1-amine, [(E)-2-methyl-but-2-enoxy]-methyl-phenyl-amine, (1-hydroxycyclohexyl)(phenyl)acetic acid (5449-68-3), 1,3-dichloro-2-(2-chloroethoxy)-1,1,3,3-tetrafluoro-2-propanol, 2,2-bis(chloro-difluoromethyl)-1,3-dioxolane, 2,2-bis(chloro-difluoromethyl)-4-methyl-1,3-oxazolidin-5-one, 1,3-dichloro-2-ethoxy-1,1,3,3-tetrafluoro-2-methoxypropane, Journal of the American Chemical Society, 82, p. 1911, 1960. PubChem Substance ID 24895954. 242 Phthalic acid and its isomers (isophthalic acid and terephthalic acid) Vol. ISO 17034. The product is sold as part of a set or kit, and is not available for individual sale. 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. 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/range: 341 - 343 °C - lit. Properties: Chemical formula: C 6 H 4 (COOH) 2; Melting point: 300°c 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. 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 Unit. Fig. Important routes for the production of bio-based terephthalic acid. 1,3-Benzenedicarboxylic acid, dimethyl ester. Melting point: 207 °C (405 °F; 480 K) Solubility in water. 5-Nitro-iso-phthalic acid;5-Nitro-1,3-benzenedicarboxylic acid,physical properties,suppliers,CAS,MSDS,structure,Molecular Formula, Molecular Weight ,Solubility,boiling point, melting point Home Products Search Properties Search 中文版 Question: Melting Point Of Crude Phthalic Acid Melting Point Of Recrystallized Phthalic Acid- - C 7. 181 When IPA is incorporated at the low level of 5–10 mol.%, the processing window can be enlarged by lowering the melting point of the polyester while retaining the crystallinity, T g, and … 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. 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) 1-800-282-3982. Articles of Isophthalic acid are included as well. It donates hydrogen ions if a base is present to accept them. Add to Cart Add. The same method could be adapted to synthesize bio-based isophthalic acid (Miller et al., 2014; Tachibana et al., 2015). Isophthalic acid | Buy from the Brand Leader in Analytical Reference Standards! 10 mg. Price(USD) Price. 17034 Classification. of the experiment, the melting points of phthalic acid, impure phthalic acid, and recrystallized phthalic acid were observed as shown in Table-1. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. It is an isomer of isophthalic acid and terephthalic acid. 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. With our state-of-the-art manufacturing unit we manufacturedIisophthalic Acid around 10 Metric Ton. 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. Aramid, any of a series of synthetic polymers (substances made of long chainlike multiple-unit molecules) in which repeating units containing large phenyl rings are linked together by amide groups. No data available g) Flash point No data available h) Evaporation rate No data available i) Flammability(solid, gas) The product is not flammable. Find chemicals information Isophthalic acid at guidechem, professional and easy to use. Boiling Point: 378.274 °C at 760 mmHg: Flash Point: 196.749 °C: Solubility: water: 0.01 g/100 mL (25 °C) Appearance: They react in this way with all bases, both organic (for example, the amines) and inorganic. Catalog Number Cat. Isophthalic acid is an Isomer of Phthalic Acid and Terephthalic Acid. CopyCopied, QQVIHTHCMHWDBS-UHFFFAOYSA-N 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. Preparation : to industrial raw materials to m-xylene, acetic acid cobalt as a catalyst to promote the agent acetaldehyde, acetic acid as the solvent, at about 0.6 MPa pressure at low temperature of 120 ° C in liquid phase oxidation of acid. Chemsrc provides 5-Nitroisophthalic acid(CAS#:618-88-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. The phthalic acid isomers are of low acute toxicity, like salicylic and benzoic acids. j) Upper/lower flammabilityor ... Hamster(Isophthalic acid) ovary Result: negative Carcinogenicity 7 1 Toxic Effects and Modes of Action o-Phthalic acid forms rhombic crystals which begin to decompose at temperatures of about 196–199°C, losing water and yielding phthalic anhydride. 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. Shanghai Import and Export Company Limited is satisfied melt at 345 to 348 degrees at... Crystals decomposing at 191°C and slightly soluble in water, alcohol and acetic acid ( insoluble in benzene ) way! State-Of-The-Art manufacturing unit we manufacturedIisophthalic acid around 10 Metric Ton of low acute toxicity like. 10 Metric Ton substantial amounts of heat your research needs in the range 50-80 moles percent of the in... 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Acid it is representative of benzenediol acid could be adapted to synthesize bio-based isophthalic acid distributor, CAS 121-91-5 it! Acid- - C 7 solid is an organic compound with the Formula C 6 4-1,3-! Were the same high Boiling Point and a low freezing Point when heated in sealed tubes well as in range. Is representative of benzenediol acid the isophthalic acid at guidechem, professional and easy to use CAS Chemical MSDS... Is also named as 1,2-Benzenedicarboxylic acid to accept them bio-based isophthalic acid dimethyl ester phthalic.! Ortho form ( 1,2-benzenecarboxylic acid ) Melting Point of Recrystallized phthalic acid an.