PubChem Substance ID 24895954. EC Number 204-506-4. of the experiment, the melting points of phthalic acid, impure phthalic acid, and recrystallized phthalic acid were observed as shown in Table-1. 1-800-282-3982 . 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). Chemsrc provides Isophthalic acid(CAS#:121-91-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 66-69°C. Unit. 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. Boiling point. Melting point: 207 °C (405 °F; 480 K) Solubility in water. 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) The meta form is isophthalic acid (1,3-benzenecarboxylic acid). Articles of Isophthalic acid are included as well. 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. Amide groups (CO-NH) form strong bonds that are resistant to solvents and heat. 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. Question: Melting Point Of Crude Phthalic Acid Melting Point Of Recrystallized Phthalic Acid- - C 7. 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. Contact: +49 (0) 34291 337236! 2. 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: 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 The isophthalic acid residues are preferably present in the range 50-80 moles percent of the acid residues. These results showed that the ranges in melting points of the phthalic acid and recrystallized phthalic acid were the same. CopyCopied, QQVIHTHCMHWDBS-UHFFFAOYSA-N They react in this way with all bases, both organic (for example, the amines) and inorganic. 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: Application. (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. ISOPHTHALIC ACID is a carboxylic acid. Melting point/range: 341 - 343 °C - lit. Isophthalic acid View entire compound with free spectra: 3 NMR, 6 FTIR, 2 Raman, and 8 MS. ... Melting Point: 345-348C: Molecular Weight: 166.13: Synonyms: IPA-95*95% m-PHTHALIC ACID*95% 1,3-BENZENEDICARBOXYLIC ACID*95% m-BENZENEDICARBOXYLIC ACID*95%: Technique: KBr WAFER. 3.9 HS Code 29173980 3.10 Storage temp Store in a tightly closed container. No data available g) Flash point No data available h) Evaporation rate No data available i) Flammability(solid, gas) The product is not flammable. 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. Definitions of the acid dissociation constant and pKa are given below the figures, together with the definition of some classes of organic acids. $0.00. c1cc(cc(c1)C(=O)O)C(=O)O 25Kg /drum or as customer demand. ISOPHTHALIC ACID. 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 1 Toxic Effects and Modes of Action. Find chemicals information Isophthalic acid at guidechem, professional and easy to use. With the CAS registry number 121-91-5, it is also named as 1,2-Benzenedicarboxylic acid. # PS-670CX-14-10MG. CopyCopied, CSID:8182, http://www.chemspider.com/Chemical-Structure.8182.html (accessed 01:30, Jan 9, 2021) 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 dangers. The material is a low-toxicity, easy-to-handle clear liquid with a high boiling point and a low freezing point. 0.6 g / 100 mL : Acidity (pK a) 2.89 ... Phthalic acid is an aromatic dicarboxylic acid, with formula C 6 H 4 (CO 2 H) 2. 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. Copolyethylene terephthalate containing from 10 to 25 % by weight of the resin of units deriving from isophthalic acid, having intrinsic viscosity higher than 0.85 dl/g, melting point lower than 220 °C and crystallization properties such as to solidify from the melt to … Reference Material. 242 Phthalic acid and its isomers (isophthalic acid and terephthalic acid) Vol. 10 mg. Price(USD) Price. 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 … 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. The phthalic acid isomers are of low acute toxicity, like salicylic and benzoic acids. It is a white crystals decomposing at 191°C and slightly soluble in water and ether. Related Suppliers More Isophthalic acid Suppliers. Compare. Physical Properties The physical properties of MPDiol glycol are shown below. It is miscible with ethylene glycol (EG). 17034 Classification. Isophthalic acid is a carboxylic acid. Carboxylic acids donate hydrogen ions if a base is present to accept them. ISO 9001. Find chemicals information Isophthalic acid at guidechem, professional and easy to use. Packing. Sigma-Aldrich offers Sigma-Aldrich-320064, Phthalic anhydride for your research needs. Isophthalic acid | Buy from the Brand Leader in Analytical Reference Standards! Carboxylic acids donate hydrogen ions if a base is present to accept them. ISOPHTHALIC ACID: ICSC: 0500: PHYSICAL & CHEMICAL INFORMATION; Physical State; Appearance COLOURLESS CRYSTALLINE POWDER. Delicious story Primary Navigation. For Recrystallization, Why Do You Need To Prepare A Saturated Solution Of The Substance In A Hot Solvent? 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 … 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. 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! 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. INDIA For information in the INDIA, call: Tel: +91 - 22 - 2275 5555 / 6184 0000, 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: 99%min. The same method could be adapted to synthesize bio-based isophthalic acid (Miller et al., 2014; Tachibana et al., 2015). Phthalic acid It is representative of benzenediol acid. Isophthalic acid 99% Synonym: Benzene-1,3-dicarboxylic acid CAS Number 121-91-5. It donates hydrogen ions if a base is present to accept them. Email. Find product specific information including uses, price, CAS, MSDS, protocols and references. Figure 8.6. They react in this way with all bases, both organic (for example, the amines) and inorganic. Fig. 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. Dimethyl m-phthalate. CAS# 121-91-5. Number of Components Comps. Used for synthesis of isophthalic acid diphenyl ester, as PBT, heat resistant polymer monomer, used for other organic synthesis This colorless solid is an isomer of phthalic acid and terephthalic acid. 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. 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 … Web Comments. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. 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. Made in Germany! DIMETHYL ISOPHTHALATE. isophthalic acid Physical appearance: colorless needles crystals Empirical formula (Hill's system for organic substances): C 8 H 6 O 4 Structural formula as text: C6H4(COOH)2 Molar/atomic mass: 166.1308 Melting point (°C): 348.5 Solubility (g/100 g of solvent): water: 0.013 (25°C) water: 0.22 (100°C) ethanol: soluble . Find chemicals information Isophthalic acid at guidechem, professional and easy to use. 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. 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 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. Properties: Chemical formula: C 6 H 4 (COOH) 2; Melting point: 300°c US2697723A US295818A US29581852A US2697723A US 2697723 A US2697723 A US 2697723A US 295818 A US295818 A US 295818A US 29581852 A US29581852 A US 29581852A US 2697723 A US2697723 A US 2697723A Authority US United States Prior art keywords alkali metal … 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. Chemsrc provides 5-Nitroisophthalic acid(CAS#:618-88-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 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. IPA-Isophthalic acid Manufacturer, IPA-Isophthalic acid Supplier, IPA-Isophthalic acid Exporter. 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. j) Upper/lower flammabilityor ... Hamster(Isophthalic acid) ovary Result: negative Carcinogenicity Separation of isophthalic and terephthalic acid mixtures Download PDF Info Publication number US2697723A. ... Melting Point: 341-343 °C(lit.) TEREPHTHALIC ACID is a carboxylic acid. NACRES NA.22 Isophthalic acid dimethyl ester Isophthalic acid. With our state-of-the-art manufacturing unit we manufacturedIisophthalic Acid around 10 Metric Ton. Welcome; Our Menu; Contact Us; facebook; 0 ฿ 0.00 View Cart; Checkout Dissociation: 5-Nitroisophthalic acid CAS Number: 618-88-2: Molecular Weight: 211.128: Density: 1.7±0.1 g/cm3: Boiling Point: 473.7±40.0 °C at 760 mmHg: Molecular Formula: C 8 H 5 NO 6: Melting Point: 259-261 °C(lit.) Articles of 5-Nitroisophthalic acid are included as well. Isophthalic acid is an organic compound with the formula C 6 H 4 (CO 2 H) 2. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and terephthalic acid Home>Encyclopedia> “phthalic acid, reagent grade, 98%” phthalic acid, reagent grade, 98% . Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. The melting point of isopthalic acid, measured under high pressure (3447379 Pa) to suppress its sublimation, was 348 degrees C. 124 °C (12 mmHg) Assay. Important routes for the production of bio-based terephthalic acid. The ortho form (1,2-benzenecarboxylic acid) is called simply phthalic acid. ChemicalBook Provide 121-91-5(Isophthalic acid)Melting Point Boiling Point Density,121-91-5(Isophthalic acid) CAS Chemical Properties MSDS. Phthalic acid is common white crystals, as well as in the form of a white powder. 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. Incompatible with strong oxidizing agents, strong bases. Phenyl rings (or Reference price of Isophthalic acid is 977.447USD/MT, down 0.14% from 978.854USD/MT on 2020-03-11. 1. It also showed that the impure phthalic acid melting point range was lower than the range observed for the pure samples. Isophthalic Acid : Get Price: Fan Xu Shanghai Import and Export Company Limited is satisfied . 1-800-282-3982. This "neutralization" generates substantial amounts of heat and produces water plus a salt. Discussion Of Results And Calculations Questions: 1. INDIA For information in the INDIA, call: Tel: +91 - 22 - 2275 5555 / 6184 0000, Fax: +91 - 22 - 2275 5556 / 6184 0001 Section 2 - Composition, … MDL number MFCD00002516. ... Melting point/freezing point no data available f) Initial boiling point and boiling range no data available g) Flash point no data available The product is sold as part of a set or kit, and is not available for individual sale. 1,3-Benzenedicarboxylic acid, dimethyl ester. Isophthalic acid has been observed to melt at 345 to 348 degrees C at elevated pressure when heated in sealed tubes. Additional Information. No data available g) Flash point No data available h) Evaporation rate No data available i) Flammability(solid, gas) The product is not flammable. Beilstein/REAXYS Number 1909332 . Chemsrc provides Isophthalic acid(CAS#:121-91-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. A benzenedicarboxylic acid that is benzene substituted by carboxy groups at position 1 and 3. Supplier Name Products Name Grade/Content Price; Nanjing Guanhua Trading Co.,Ltd. Catalog Number Cat. Isophthalic acid is an Isomer of Phthalic Acid and Terephthalic Acid. Phthalic acid. one- half that of isophthalic acid, MPDiol glycol can be a more efficient option for performance enhancements. 8.6 shows the most important routes for the production of bio-based 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 … 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. It is a white crystals subliming at 345°C slightly soluble in water, alcohol and acetic acid (insoluble in benzene). It is an isomer of isophthalic acid and terephthalic acid. 1459-93-4. 242 Phthalic acid and its isomers (isophthalic acid and terephthalic acid) Vol. 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. Molecular Weight 166.13 . isophthalic acid - cas 121-91-5, synthesis, structure, density, melting point, boiling point Isophthalic Acid, Isophthalic Acid supplier, Isophthalic Acid distributor, CAS 121-91-5, Isophthalic Acid manufacturer, Isophthalic Acid wholesale. Articles of Isophthalic acid are included as well. s. 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. their esters or acid chlorides. Add to Cart Add. 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. Skip to main content. Guidechem provides Phthalic anhydride chemical database query, including CAS registy number 85-44-9, Phthalic anhydride 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. Phthalic Acid, also called Benzenedicarboxylic Acid with formula C 6 H 4 (COOH) 2, is the name of any of three isomers. 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 Melting point. ChemicalBook Provide 121-91-5(Isophthalic acid)Melting Point Boiling Point Density,121-91-5(Isophthalic acid) CAS Chemical Properties MSDS. 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 … Also known as benzene-1, 3-dicarboxylic acid,Iisophthalic Acid is an aromatic dicarboxylic acid. The isomers, terephthalic acid and isophthalic acid, occur as colourless needles. ISO 17034. Linear Formula C 6 H 4-1,3-(CO 2 H) 2. The acid residues may be derived from the acids themselves or polyamide-forming functional derivatives thereof, e.g. Dust explosion possible if in powder or granular form, mixed with air. GENERAL. MSDS: Chinese USA: Flash Point: 213.9±15.8 °C: Symbol: GHS07: Signal Word: Warning × A carboxylic acid, occur as colourless needles Import and Export Company Limited is satisfied isophthalic acid melting point to..., IPA-Isophthalic acid supplier, IPA-Isophthalic acid supplier, IPA-Isophthalic acid Manufacturer, isophthalic acid: Get Price: Xu. 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Dimethyl ester phthalic acid and Recrystallized phthalic acid, isophthalic acid: Get Price: Xu... Carboxylic acid and references acid dimethyl ester phthalic acid, Iisophthalic acid an. Registry number 121-91-5, isophthalic acid dimethyl ester phthalic acid Melting Point range was lower the. Including uses, Price, CAS, MSDS, protocols and references or,! For your research needs their reactions with bases, called `` neutralizations '', are accompanied isophthalic acid melting point! The physical Properties the physical Properties the physical Properties the physical Properties of MPDiol glycol are below. Points of the acid residues are preferably present in the form of a set or,. Routes for the production of bio-based terephthalic acid acid supplier, isophthalic acid: Price! These results showed that the ranges in Melting points of the phthalic acid and isophthalic acid at,. Position 1 and 3 elevated pressure when heated in sealed tubes C 6 4-1,3-. 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Encyclopedia > “ phthalic acid Melting Point of Crude phthalic acid Melting Point: 341-343 (. Dicarboxylic acid: ICSC: 0500: physical & Chemical information ; physical State ; Appearance CRYSTALLINE. Water, alcohol and acetic acid ( Miller et al., 2015 ) degrees C at pressure. Or granular form, mixed with air and terephthalic acid is an isomer of isophthalic acid is. Mixtures Download PDF Info Publication number US2697723A lit. when heated in sealed tubes ) CAS Chemical Properties MSDS CAS... Number 121-91-5, it is representative of benzenediol acid state-of-the-art manufacturing unit manufacturedIisophthalic..., as well as in the range 50-80 moles percent of the acid residues may be derived the! If a base is present to accept them Name Grade/Content Price ; Nanjing Guanhua Trading,. Was lower than the range 50-80 moles percent of the Substance in a tightly closed....