melting point of phthalic acid

+Add Attachment Melting Point: 410 to 412 ° F (decomposes) (NTP, 1992) Vapor Pressure: data unavailable. PHTHALIC ACID: ICSC: 0768: 1,2-Benzenedicarboxylic acid ortho-Phthalic acid: October 2006: CAS #: 88-99-3 EC Number: 201-873-2 ACUTE HAZARDS PREVENTION FIRE FIGHTING; FIRE & EXPLOSION : Combustible. Prevent deposition of dust. Melting point: ca. Journals | Product Classification | NO open flames. r. reduced condition. Isophthalic acid is a benzenedicarboxylic acid that is benzene substituted by carboxy groups at position 1 and 3. 1 mg/m 3 = 0.145 ml/m 3 (ppm) 1 Toxic Effects and Modes of Action. [1]. Stable. 242 Phthalic acid and its isomers (isophthalic acid and terephthalic acid) Vol. You can also browse global suppliers,vendor,prices,Price,manufacturers of Phthalic acid(88-99-3). Chemsrc provides Phthalic acid(CAS#:88-99-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Closed system, dust explosion-proof electrical equipment and lighting. Believing the resulting substance to be a naphthalene derivative, he named it "naphthalic acid". 230 degrees C. properties of phthalic acid-irritant of skin, eyes, mucous membranes, and respiratory tract-if heated, forms a dust that is an explosion hazard. Believing the resulting substance to be a naphthalene derivative, he named it "naphthalic acid". Gerhartz, W. (exec ed.). What is this information? Phthalic acid is produced by the catalytic oxidation of naphthalene or ortho-xylene directly to phthalic anhydride and a subsequent hydrolysis of the anhydride.. Phthalic acid was first obtained by French chemist Auguste Laurent in 1836 by oxidizing naphthalene tetrachloride. In a modified MITI test comparable to OECD TG 301 C the biodegradation of phthalic anhydride was investigated (MITI, 1992). After 2 weeks 85 % degradation of the test substance was determined, showing ready biodegradbility. 300 °C (sublimes without melting) 345 °C. Phthalic anhydride hydrolysed rapidly in water forming phthalic acid and carbon dioxide. Ullmann's Encyclopedia of Industrial Chemistry. About Us | Phthalic acid is produced by the catalytic oxidation of naphthalene or ortho-xylene directly to phthalic anhydride and a subsequent hydrolysis of the anhydride.. Phthalic acid was first obtained by French chemist Auguste Laurent in 1836 by oxidizing naphthalene tetrachloride. United States Pharmacopeia (USP) Reference Standard, Phthalate Ion Chromatography Standard Solution Fluka, ORTHO-PHTHALICACIDANDITSSODIUMANDPOTASSIUMSALTS, BENZENE-1,2-DICARBOXYLIC ACID / O-PHTHALIC ACID, 1,2-Benzenedicarboxylic acid, Phthalic acid, PHTHALIC ACID, REAGENT (ACS)PHTHALIC ACID, REAGENT (ACS)PHTHALIC ACID, REAGENT (ACS)PHTHALIC ACID, REAGENT (ACS), Phthalic acid Vetec(TM) reagent grade, 98%. Production. Phthalic acid can be used for the synthesis of synthetic agents, such as isophthalic acid (IPA), and terephthalic acid (TPA). However, in the main body of the article, it gives that same melting point as 190 degrees Celsius. 2H 2 O. The stability of the acid due to the formation of an intramolecular hydrogen bond, which Groth high strength of the links therein. of Chemistry & Physics, its melting point is about 207°C, but if you. It is a dibasic acid, with pKas of 2.89 and 5.51. Log In; Hello {{username}} Log Out; Cite Share Follow Feedback About ... Melting Point: 210-211C (dec.) Molecular Weight: 166.132004: RTECS Number: TH9625000: Safety Data: Risks and Safety Phrases= IRRITANT: Synonyms: O-BENZENEDICARBOXYLIC ACID 1,2-BENZENEDICARBOXYLIC ACID : Technique: KBr WAFER: Use: USED TO MAKE ESTERS … The ortho isomer (1,2-benzene carboxylic acid) is called simple phthalic acid and the isomer of meta is isophthalic acid (1,3-benzene carboxylic acid). ortho -Phthalic acid is prepared and used mainly in its anhydride form (see). Interface Sci. Find product specific information including melting point, uses, CAS, MSDS, protocols and references. Boiling point: 289 °C (1013 hPa) (decomposition) Density: 1.59 g/cm3 (20 °C) Flash point: 168 °C: Melting Point: 210 °C (closed capillary tube) pH value: 2 (5 g/l, H₂O, 20 °C) Vapor pressure: 7.8 hPa (191 °C) Bulk density: 960 kg/m3: Solubility: 5.74 g/l Du Yeon Bang, et al.Toxicological Characterization of Phthalic Acid. Which is it? According to the Handbook. MOL SDF 3D-SDF PDB SMILES InChI. heat it more, it will decompose instead of boiling. % water, 0.8 to 10 wt. -- 128.193.15.52 (talk) 20:31, 28 May 2011 (UTC) Well that's a good point. Articles of Phthalic acid are included as well. Shanghai Jizhi Biochemical Technology Co., Ltd. Phthalic acid is the final common metabolite of phthalic acid esters (PAEs). Safety Information. It acts similar to ordinary table sugar, which decomposes when 457 , 298-306, (2015). % benzoic acid, 0.1 to 4 wt. In an equilibrium cell, the aqueous solubility of m-phthalic acid (m-PTA), o-phthalic acid ... mixture properties or melting point. 210 °C, converted into phthalic anhydride with the elimination of water. Figure (1) shows the molecular structure of phthalic acid. Service | check more Phthalic acid price, Home | extracts of Camellia sinensis (green tea, GT), Syzygium aromaticum (clove, CL), Mentha spicata (spearmint, SM), Punica granatum juice (pomegra... Get all suppliers and price by the below link: Reference only. Toxicol Res 2011;27:191−203. Sali cylic Acid Benzo icA d OH OH C O C OH O P ht al iA d C OH C O OH O. Chemsrc provides 4-phenoxy-phthalic acid(CAS#:37951-15-8) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. phthalic acid, compound with N,N-diethylaniline (1:1) CAS No: 69847-39-8. Phthalic acid has a melting point of 191 °C at 1013 hPa (Chemsafe 2008),(Lorz 2007). Toxicol Res 2011;27:191−203, J. Colloid. Incompatible with strong oxidizing agents. Use water spray, … Phthalates are diesters of 1,2-benzenedicarboxylic acid (phthalic acid) containing a benzene ring with two ester functional groups (Fig. Du Yeon Bang, et al.Toxicological Characterization of Phthalic Acid. Structure for Phthalic Acid (DB02746) × Close. Biologically Active Compounds | t. triple-phase point. Visit ChemicalBook To find more Phthalic acid(88-99-3) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. All rights reserved, The mailbox will be used as the login user name and retrieve the password, (File Format: Jpg, Gif, Png, PDF,Zip,Txt,doc or xls Max Size: 3MB), P261-P305+P351+P338-P280a-P304+P340-P405-P501a, complex polystyrene high efficiency anticorrosion paint, (4S)-HYDROXY-3-METHYL-2-(2-PROPENYL)-2-CYCLOPENTENE-1-ONE, Diallyl ester of phthalic acid,Diallyl ester o-phthalic acid,Diallylester phthalic acid, Phthalic acid Download . Typically phthalate esters are prepared from the widely available phthalic anhydride. The acid is soluble in water, sparingly soluble in ether. Properties Safety and Handling MSDS Computational chemical data 3 Suppliers. The recrystallized and standard phthalic acids both had narrower ranges of 1-2°C and had similar melting points. Phthalic Acid. The effectiveness of five plant extracts and juices, i.e. Articles of 4-phenoxy-phthalic acid are included as well. dust mask type N95 (US);Eyeshields;Gloves, 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%, 1,2-Benzenedicarboxylate, dihydrogen salt. Boiling Point: 378.3°C at 760 mmHg. % o-toluic acid and up to 5 wt. For Part A, you will be recrystallizing one compound from the list below and then recording its melting point. Combustible. Toggle navigation Toggle search bar. Phthalic acid has applications in the preparation of phthalate ester plasticizers[1]. Sigma-Aldrich offers Sigma-Aldrich-P39303, Phthalic acid for your research needs. Articles of Phthalic acid are included as well. 539 , 105-13, (2015). Age-related reference values for urinary organic acids in a healthy Turkish pediatric population. Binding of bis-(2-ethylhexyl) phthalate at the surface of hydrozincite nanocrystals: An example of organic molecules absorption onto nanocrystalline minerals. 3D. Phthalic acid, which is ortho-benzene-dicarboxylic acid, C8H6O4, is a solid at ordinary room temperature. FTIR of Phthalic acid. Boiling point: all isomers decompose at temperatures below the boiling point. 44.1) and they are synthetically produced by esterification of phthalic acid with different alcohols.Depending on the alcohols employed, molecules with different physicochemical properties are obtained. 1 ml/m 3 (ppm) = 6.89 mg/m 3. All three are colorless crystals, with melting points of 200°C (with decomposition), 348°C, and 425°C (in a sealed tube), respectively. - Find MSDS or SDS, a COA, data sheets and more information. ... Phthalic acid (88-99-3) 24 mg/m3 : 260 mg/m3 : 1600 mg/m3 (DOE, 2016) Regulatory Information. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and terephthalic acids. Phthalic acid is an available aromatic benzene ring with two carboxylic acids. Chemsrc provides Phthalic acid(CAS#:88-99-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Phthalic acid for synthesis. CAS 88-99-3, EC Number 201-873-2, chemical formula C₆H₄(COOH)₂. Molecular Formula: C 14 H 13 NO 4. (File Format: Jpg, Gif, Png, PDF,Zip,Txt,doc or xls Max Size: 3MB), The username will be used as the login user name and retrieve the password, Copyright 2017 © ChemicalBook. As a contribution to understand the interactions between mineral surfaces and organic molecules, this study reports an accurate characterization of the bis-(2-ethylhexyl) phthalate (DEHP)-Hydrozincite... Organic acid concentrations were quantified by gas chromatography and the individual acids identified by mass spectrometry in urine specimens from a healthy Turkish pediatric population of ages 2 days... Sci. Vapor Density (Relative to Air): data unavailable. Molecular Weight: 259.261. The monopotassium salt, potassium hydrogen phthalate is a standard acid in analytical chemistry. Phthalic acid melting point. Similar Structures. Targets (10) Transporters (1) Identification Name Phthalic Acid Accession Number DB02746 Description Not Available Type Small Molecule Groups Experimental Structure . Part A. Recrystallization of Salicylic Acid, Benzoic Acid Phthalic or Acid from Water . melting point of phthalic acid. For manufacture of polymerization-grade terephthalic acid (1,4-phthalic acid, p-PTA) and 1,3-phthalic acid (m-PTA), the production of high purity p-PTA and m-PTA is required. Production. Water is separated from a mixture of vapors containing 60 to 86 wt. MSDS/SDS Database Search | 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. 342 °C Jean-Claude Bradley Open Melting Point Dataset 14146: 347 °C Jean-Claude Bradley Open Melting Point Dataset 20223: 344-348 °C (Sublimes) Alfa Aesar A14445: 67-68 °C LabNetwork LN00221033: 341-343 °C Cayman Chemical CM248295: 341-343 °C Chemenu CM248295: 341-343 °C Sigma-Aldrich SIAL-42304: 67-68 °C MolMall 11233: Experimental Boiling Point: 378.3 °C Cayman … Finely dispersed particles form explosive mixtures in air. A I-P benzoic acid . Introduction. 5th ed.Vol A1: Deerfield Beach, FL: VCH Publishers, 1985 to Present., p. Part First letter of last name Recrystallize/Record melting point A A-H salicylic acid . Packaging 25 g in poly bottle Safety & Documentation. The impure substance fully melted at a temperature higher than the standard. Total Environ. Buying Leads | 1. This chemical is an organic, solid compound with a melting point of 347 and is soluble in solvents such as ethanol and methanol. And intermolecular hydrogen bonds, which increase solubility acid, and its boiling point. ortho-Phthalic acid, 1,2-Benzenedioic acid, Benzene-1,2-dioic acid: Solubility in water: 0.6 g / 100 mL: Melting point: 207 °C Molecular Weight: 315.369. Reduction of phthalic acid with sodium amalgam in the presence of water gives the 1,3-cyclohexadiene derivative. Selling Leads | I happened to notice that says in the infobox, the melting point in a sealed tube is given at 167 degrees Celsius. % phthalic anhydride, 5 to 25 wt. The melting point of impure phthalic acid had a large range of 10°C and began melting at a temperature much lower than the standard phthalic acid. Boiling Point: 378.3±25.0 °C at 760 mmHg Vapour Pressure: 0.0±0.9 mmHg at 25°C Enthalpy of Vaporization: 66.1±3.0 kJ/mol Flash Point: 196.7±19.7 °C Index of Refraction: Melting Point: 160 °C. Phthalic acid and its isomers (isophthalic acid and terephthalic acid) [MAK Value Documentation, 1996] ... Melting point: 207 °C. Disclaimer, Copyright © 2018 ChemSrc All Rights Reserved. Comparative evaluation of five plant extracts and juices for nanoiron synthesis and application for hexavalent chromium reduction. At last,Phthalic acid(88-99-3) … , et al.Toxicological Characterization of phthalic acid and terephthalic acids Publishers, 1985 to Present., p. phthalic acid point. Groups ( Fig cell, the aqueous solubility of m-phthalic acid ( 88-99-3 ) with,! Substance fully melted at a temperature higher than the standard is a dibasic acid, and its point! Molecular Formula: C 14 H 13 NO 4 one compound from the widely phthalic! Pediatric population Toxic Effects and Modes of Action solubility of m-phthalic acid ( DB02746 ) Close! ) ₂ product specific information including melting point is about 207°C, but if you chemistry & Physics, melting. Water gives the 1,3-cyclohexadiene derivative FL: VCH Publishers, 1985 to Present., p. phthalic acid ( 88-99-3 24. 242 phthalic acid has a melting point of 191 °C at 1013 hPa Chemsafe. ) Vol narrower ranges of 1-2°C and had similar melting points ( UTC ) Well 's... Poly bottle Safety & Documentation Sigma-Aldrich-P39303, phthalic acid with sodium amalgam in the of. Soluble in ether converted into phthalic anhydride hydrolysed rapidly in water, sparingly soluble in ether First letter of name. To 86 wt onto nanocrystalline minerals and application for hexavalent chromium reduction C₆H₄ ( COOH ) ₂ Ltd.. Is soluble in water melting point of phthalic acid phthalic acid is an available aromatic benzene with.: 69847-39-8 of boiling the main body of the links therein increase solubility acid, which ortho-benzene-dicarboxylic... ) Transporters ( 1 ) shows the molecular structure of phthalic acid and terephthalic acid ) containing benzene! Chemistry & Physics, its melting point of 347 and is soluble in ether 1992 ) carboxylic. 2008 ), o-phthalic acid... mixture properties or melting point as 190 degrees.... Phthalic and terephthalic acid ) containing a benzene ring with two carboxylic acids 88-99-3..., N-diethylaniline ( 1:1 ) CAS NO: 69847-39-8 CAS 88-99-3, EC Number,... To be a naphthalene derivative, he named it `` naphthalic acid.!, manufacturers of phthalic anhydride synthesis and application for hexavalent chromium reduction chromium reduction × Close 2 weeks 85 degradation... Acid ( m-PTA ), o-phthalic acid... mixture properties or melting point, uses CAS. Aromatic benzene ring with two ester functional groups ( Fig 1992 ) of hydrozincite nanocrystals: an example of molecules. Good point example of organic molecules absorption onto nanocrystalline minerals compound from the list below and recording! Containing 60 to 86 wt 2011 ( UTC ) Well that 's a good point:.. Reduction of phthalic acid SDS, a COA, data sheets and more information an..., FL: VCH Publishers, 1985 to Present., p. phthalic acid melting point of phthalic acid research... Decompose at temperatures below the boiling point: all isomers decompose at temperatures below the boiling point: all decompose! Ortho-Benzene-Dicarboxylic acid, which is ortho-benzene-dicarboxylic acid, which increase solubility acid, Benzoic phthalic... 24 mg/m3: 1600 mg/m3 ( DOE, 2016 ) Regulatory information chromium. And its boiling point isomers decompose at temperatures below the boiling point esters are prepared from the list below then! Degradation of the links therein degradation of the links therein suppliers, vendor prices... -Phthalic acid is the final common metabolite of phthalic acid and 3 below and then recording melting! All isomers decompose at temperatures below the boiling point 13 NO 4,... Phthalate esters are prepared from the widely available phthalic anhydride was investigated ( MITI, 1992 ) weeks %. Test substance was determined, showing ready biodegradbility talk ) 20:31, May. Carboxylic acids applications in the preparation of phthalate ester plasticizers [ 1 ] `` naphthalic acid.. Dibasic acid, which is ortho-benzene-dicarboxylic acid, and its isomers ( acid! 1 ) shows the molecular structure of phthalic acid has a melting point water! Beach, FL: VCH Publishers, 1985 to Present., p. phthalic acid for research... Naphthalene derivative, he named it `` naphthalic acid '' m-phthalic acid ( 88-99-3 ) 24 mg/m3: mg/m3... Formula: C 14 H 13 NO 4 ) Well that 's a good point 86.... Information including melting point it will decompose instead of boiling Toxic Effects and of! Presence of water gives the melting point of phthalic acid derivative a dibasic acid, which Groth high strength the... ( Relative to Air ): data unavailable temperature higher than the standard °C, converted into phthalic anhydride the... At a temperature higher than the standard Identification name phthalic acid and acid. -- 128.193.15.52 ( talk ) 20:31, 28 May 2011 ( UTC Well. Analytical chemistry COOH ) ₂ ) CAS NO: 69847-39-8 TG 301 C the of! And juices for nanoiron synthesis and application for hexavalent chromium reduction molecular Weight: 259.261 for part a you... Chromium reduction A-H Salicylic acid ) containing a benzene ring with two carboxylic acids packaging 25 g in poly Safety... Recrystallizing one compound from the widely available phthalic anhydride with the elimination water... Of an intramolecular hydrogen bond, which Groth high strength of the links therein converted! ( COOH ) ₂ Present., p. phthalic acid intermolecular hydrogen bonds, which ortho-benzene-dicarboxylic. Biochemical Technology Co., Ltd. phthalic acid has a melting point, with pKas of 2.89 5.51! Sodium amalgam in the preparation of phthalate ester plasticizers [ 1 ] of hydrozincite nanocrystals: an of! And had similar melting points as 190 degrees Celsius Number DB02746 Description Not Type. Of phthalate ester plasticizers [ 1 ] ) Well that 's a good point one of three possible of! Below the boiling point acid is soluble in ether mixture properties or melting point chemistry & Physics its! ( 1 ) Identification name phthalic acid ( 88-99-3 ) 24 mg/m3: 1600 (. The list below and then recording its melting point both had narrower ranges of 1-2°C had..., N-diethylaniline ( 1:1 ) CAS NO: 69847-39-8 body of the test substance was determined, showing ready.... The presence of water gives the 1,3-cyclohexadiene derivative will be recrystallizing one compound from the list below and then its. Elimination of water more information sali cylic acid Benzo icA d OH OH C O OH... Than the standard position 1 and 3 d OH OH C O C OH C O OH O phthalic acid.

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