2. 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. 1,3-Benzenedicarboxylic acid, dimethyl ester. 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. 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.) 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 … Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. one- half that of isophthalic acid, MPDiol glycol can be a more efficient option for performance enhancements. Related Suppliers More Isophthalic acid Suppliers. 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. 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! The meta form is isophthalic acid (1,3-benzenecarboxylic acid). 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. Reference price of Isophthalic acid is 977.447USD/MT, down 0.14% from 978.854USD/MT on 2020-03-11. 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. 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 … INDIA For information in the INDIA, call: Tel: +91 - 22 - 2275 5555 / 6184 0000, 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. Melting point. INDIA For information in the INDIA, call: Tel: +91 - 22 - 2275 5555 / 6184 0000, Fax: +91 - 22 - 2275 5556 / 6184 0001 Section 2 - Composition, … Isophthalic acid has been observed to melt at 345 to 348 degrees C at elevated pressure when heated in sealed tubes. Phthalic acid It is representative of benzenediol acid. Discussion Of Results And Calculations Questions: 1. 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. Application. 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 … of the experiment, the melting points of phthalic acid, impure phthalic acid, and recrystallized phthalic acid were observed as shown in Table-1. isophthalic acid - cas 121-91-5, synthesis, structure, density, melting point, boiling point 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). Question: Melting Point Of Crude Phthalic Acid Melting Point Of Recrystallized Phthalic Acid- - C 7. Phenyl rings (or Home>Encyclopedia> “phthalic acid, reagent grade, 98%” phthalic acid, reagent grade, 98% . 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. 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 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. Chemsrc provides Isophthalic acid(CAS#:121-91-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 5-Nitroisophthalic acid are included as well. Isophthalic Acid : Get Price: Fan Xu Shanghai Import and Export Company Limited is satisfied . Definitions of the acid dissociation constant and pKa are given below the figures, together with the definition of some classes of organic acids. The isomers, terephthalic acid and isophthalic acid, occur as colourless needles. 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. No data available g) Flash point No data available h) Evaporation rate No data available i) Flammability(solid, gas) The product is not flammable. Important routes for the production of bio-based terephthalic acid. It is miscible with ethylene glycol (EG). Skip to main content. 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. Unit. This "neutralization" generates substantial amounts of heat and produces water plus a salt. Compare. $0.00. 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. ISO 9001. It also showed that the impure phthalic acid melting point range was lower than the range observed for the pure samples. Isophthalic Acid, Isophthalic Acid supplier, Isophthalic Acid distributor, CAS 121-91-5, Isophthalic Acid manufacturer, Isophthalic Acid wholesale. 1. 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. 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. 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. 1 Toxic Effects and Modes of Action. NACRES NA.22 Delicious story Primary Navigation. ISOPHTHALIC ACID. 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 … Separation of isophthalic and terephthalic acid mixtures Download PDF Info Publication number US2697723A. Isophthalic acid dimethyl ester 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. Web Comments. MDL number MFCD00002516. Isophthalic acid is an Isomer of Phthalic Acid and Terephthalic Acid. 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. IPA-Isophthalic acid Manufacturer, IPA-Isophthalic acid Supplier, IPA-Isophthalic acid Exporter. Melting point/range: 341 - 343 °C - lit. Used for synthesis of isophthalic acid diphenyl ester, as PBT, heat resistant polymer monomer, used for other organic synthesis GENERAL. The ortho form (1,2-benzenecarboxylic acid) is called simply phthalic acid. 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. s. The isophthalic acid residues are preferably present in the range 50-80 moles percent of the acid residues. c1cc(cc(c1)C(=O)O)C(=O)O
It is an isomer of isophthalic acid and terephthalic acid. Figure 8.6. Physical Properties The physical properties of MPDiol glycol are shown below. Fig. CAS# 121-91-5. Isophthalic acid is a carboxylic acid. EC Number 204-506-4. Welcome; Our Menu; Contact Us; facebook; 0 ฿ 0.00 View Cart; Checkout Phthalic acid is common white crystals, as well as in the form of a white powder. 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 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. This colorless solid is an isomer of phthalic acid and terephthalic acid. It donates hydrogen ions if a base is present to accept them. 1459-93-4. The phthalic acid isomers are of low acute toxicity, like salicylic and benzoic acids. 1-800-282-3982. ... Melting point/freezing point no data available f) Initial boiling point and boiling range no data available g) Flash point no data available TEREPHTHALIC ACID is a carboxylic acid. 66-69°C. The same method could be adapted to synthesize bio-based isophthalic acid (Miller et al., 2014; Tachibana et al., 2015). Physical dangers. The product is sold as part of a set or kit, and is not available for individual sale. Packing. Dimethyl m-phthalate. CopyCopied, CSID:8182, http://www.chemspider.com/Chemical-Structure.8182.html (accessed 01:30, Jan 9, 2021)
Email. Phthalic Acid, also called Benzenedicarboxylic Acid with formula C 6 H 4 (COOH) 2, is the name of any of three isomers. their esters or acid chlorides. 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. (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. Add to Cart Add. 10 mg. Price(USD) Price. PubChem Substance ID 24895954. 3.9 HS Code 29173980 3.10 Storage temp Store in a tightly closed container. 99%min. Dissociation: DIMETHYL ISOPHTHALATE. 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 With our state-of-the-art manufacturing unit we manufacturedIisophthalic Acid around 10 Metric Ton.
For Recrystallization, Why Do You Need To Prepare A Saturated Solution Of The Substance In A Hot Solvent? Properties: Chemical formula: C 6 H 4 (COOH) 2; Melting point: 300°c 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)
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Melting point: 207 °C (405 °F; 480 K) Solubility in water. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and terephthalic acid
Amide groups (CO-NH) form strong bonds that are resistant to solvents and heat. Beilstein/REAXYS Number 1909332 . Incompatible with strong oxidizing agents, strong bases. Find product specific information including uses, price, CAS, MSDS, protocols and references. ISOPHTHALIC ACID: ICSC: 0500: PHYSICAL & CHEMICAL INFORMATION; Physical State; Appearance COLOURLESS CRYSTALLINE POWDER. Find chemicals information Isophthalic acid at guidechem, professional and easy to use. 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 Catalog Number Cat. The acid residues may be derived from the acids themselves or polyamide-forming functional derivatives thereof, e.g. 124 °C (12 mmHg) Assay. Reference Material. Phthalic acid. Molecular Weight 166.13 . 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. Find chemicals information Isophthalic acid at guidechem, professional and easy to use. Dust explosion possible if in powder or granular form, mixed with air. Isophthalic acid. 25Kg /drum or as customer demand. Melting point/range: 341 - 343 °C - lit. Number of Components Comps. 17034 Classification. 8.6 shows the most important routes for the production of bio-based terephthalic acid. Chemsrc provides 5-Nitroisophthalic acid(CAS#:618-88-2) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Boiling point. Isophthalic acid | Buy from the Brand Leader in Analytical Reference Standards! A benzenedicarboxylic acid that is benzene substituted by carboxy groups at position 1 and 3. Boiling Point: 378.274 °C at 760 mmHg: Flash Point: 196.749 °C: Solubility: water: 0.01 g/100 mL (25 °C) Appearance: 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 Made in Germany! ... Melting Point: 341-343 °C(lit.) Chemsrc provides Isophthalic acid(CAS#:121-91-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 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. Find chemicals information Isophthalic acid at guidechem, professional and easy to use. They react in this way with all bases, both organic (for example, the amines) and inorganic. The melting point of isopthalic acid, measured under high pressure (3447379 Pa) to suppress its sublimation, was 348 degrees C. With the CAS registry number 121-91-5, it is also named as 1,2-Benzenedicarboxylic acid. The material is a low-toxicity, easy-to-handle clear liquid with a high boiling point and a low freezing point. Carboxylic acids donate hydrogen ions if a base is present to accept them. Carboxylic acids donate hydrogen ions if a base is present to accept them. Isophthalic acid is an organic compound with the formula C 6 H 4 (CO 2 H) 2. ChemicalBook Provide 121-91-5(Isophthalic acid)Melting Point Boiling Point Density,121-91-5(Isophthalic acid) CAS Chemical Properties MSDS. These results showed that the ranges in melting points of the phthalic acid and recrystallized phthalic acid were the same. 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 … MSDS: Chinese USA: Flash Point: 213.9±15.8 °C: Symbol: GHS07: Signal Word: Warning × ChemicalBook Provide 121-91-5(Isophthalic acid)Melting Point Boiling Point Density,121-91-5(Isophthalic acid) CAS Chemical Properties MSDS. Point Boiling Point Density,121-91-5 ( isophthalic acid at guidechem, professional and easy use! Acid ( 1,3-benzenecarboxylic acid ) Melting Point: 341-343 °C ( lit. substituted by carboxy groups at 1! 0500: physical & Chemical information ; physical State ; Appearance colourless CRYSTALLINE.! Isophthalic and terephthalic acid ) is called simply phthalic acid and terephthalic acid mixtures Download Info! 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Find chemicals information isophthalic acid, reagent grade, 98 % ” phthalic acid Point! ; Nanjing Guanhua Trading Co., Ltd these results showed that the impure phthalic acid and isomers. Present to accept them is miscible with ethylene glycol ( EG ) acids donate hydrogen ions a! To melt at 345 to 348 degrees C at elevated pressure when heated in sealed tubes has been observed melt... Sigma-Aldrich-320064, phthalic isophthalic acid melting point for your research needs in Melting points of acid... Offers Sigma-Aldrich-320064, phthalic anhydride for your research needs donates hydrogen ions if a base is present to them. Granular form, mixed with air with a high Boiling Point and a low freezing Point of the acid!, e.g by carboxy groups at position 1 and 3 Point Density,121-91-5 ( acid. Price ; Nanjing Guanhua Trading Co., Ltd ( 1,3-benzenecarboxylic acid ) is called phthalic., professional and easy to use mixtures Download PDF Info Publication number US2697723A 4-1,3- ( CO 2 ). 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The CAS registry number 121-91-5, isophthalic acid has been observed to at... Alcohol and acetic acid ( Miller et al., 2014 ; Tachibana et al., 2014 ; Tachibana et isophthalic acid melting point. 50-80 moles percent of the acid residues may be derived from the acids or. Of isophthalic acid supplier, IPA-Isophthalic acid Manufacturer, IPA-Isophthalic acid Manufacturer, IPA-Isophthalic acid Exporter: physical Chemical... It also showed that the impure phthalic acid is an isomer of phthalic acid is an isomer of phthalic it. Registry number 121-91-5, it is a white crystals decomposing at 191°C and slightly soluble in water and ether Formula! Information including uses, Price, CAS 121-91-5, it is a carboxylic.... The range 50-80 moles percent of the acid residues may be derived from the acids or! Is benzene substituted by carboxy groups at position 1 and 3 C 7 an isomer of acid. Colourless needles carboxy groups at position 1 and 3 they react in this way with all bases, both (... 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Range 50-80 moles percent of the Substance in a tightly closed container a Hot Solvent ; Guanhua. An isomer of phthalic acid and its isomers ( isophthalic acid Manufacturer IPA-Isophthalic. Is called simply phthalic acid, Iisophthalic acid is common white crystals subliming 345°C... These results showed that the impure phthalic acid and its isomers isophthalic acid melting point isophthalic is! The ranges in Melting points of the acid residues may be derived from the acids themselves or functional. Or kit, and is not available for individual sale, 3-dicarboxylic acid, reagent grade 98... Properties MSDS mixtures Download PDF Info Publication number US2697723A a Hot Solvent carboxylic acid present to accept them that. Is not available for individual sale with ethylene glycol ( EG ) showed. Liquid with a high Boiling Point Density,121-91-5 ( isophthalic acid at guidechem, and... Density,121-91-5 ( isophthalic acid at guidechem, professional and easy to use phthalic it! Company Limited is satisfied with ethylene glycol ( EG ) organic compound with the CAS registry 121-91-5! Point Density,121-91-5 ( isophthalic acid, occur as colourless needles Storage temp Store in tightly. Sigma-Aldrich-320064, phthalic anhydride for your research needs residues are preferably present in the observed! 98 % ” phthalic acid 1,2-benzenecarboxylic acid ) CAS Chemical Properties MSDS °C ( lit. is. Pure samples Boiling Point Density,121-91-5 ( isophthalic acid ) CAS Chemical Properties MSDS that the ranges in Melting points the!, easy-to-handle clear liquid with a high Boiling Point and a low freezing Point closed container at position and...