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melting point of phthalic acid

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... Phthalic acid (88-99-3) 24 mg/m3 : 260 mg/m3 : 1600 mg/m3 (DOE, 2016) Regulatory Information. of Chemistry & Physics, its melting point is about 207°C, but if you. Melting point: ca. Du Yeon Bang, et al.Toxicological Characterization of Phthalic Acid. Stable. t. triple-phase point. Packaging 25 g in poly bottle Safety & Documentation. 539 , 105-13, (2015). Phthalic acid for synthesis. 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 … Articles of Phthalic acid are included as well. Sali cylic Acid Benzo icA d OH OH C O C OH O P ht al iA d C OH C O OH O. All three are colorless crystals, with melting points of 200°C (with decomposition), 348°C, and 425°C (in a sealed tube), respectively. Phthalic Acid. Phthalates are diesters of 1,2-benzenedicarboxylic acid (phthalic acid) containing a benzene ring with two ester functional groups (Fig. Molecular Weight: 259.261. Binding of bis-(2-ethylhexyl) phthalate at the surface of hydrozincite nanocrystals: An example of organic molecules absorption onto nanocrystalline minerals. Believing the resulting substance to be a naphthalene derivative, he named it "naphthalic acid". Selling Leads | The stability of the acid due to the formation of an intramolecular hydrogen bond, which Groth high strength of the links therein. Chemsrc provides Phthalic acid(CAS#:88-99-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. [1]. Phthalic acid has a melting point of 191 °C at 1013 hPa (Chemsafe 2008),(Lorz 2007). (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. Phthalic acid melting point. The acid is soluble in water, sparingly soluble in ether. 3D. 210 °C, converted into phthalic anhydride with the elimination of water. 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: MSDS/SDS Database Search | Boiling Point: 378.3°C at 760 mmHg. Similar Structures. Total Environ. +Add Attachment Phthalic acid and its isomers (isophthalic acid and terephthalic acid) [MAK Value Documentation, 1996] ... Melting point: 207 °C. Production. 5th ed.Vol A1: Deerfield Beach, FL: VCH Publishers, 1985 to Present., p. 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. Melting Point: 410 to 412 ° F (decomposes) (NTP, 1992) Vapor Pressure: data unavailable. Introduction. The recrystallized and standard phthalic acids both had narrower ranges of 1-2°C and had similar melting points. CAS 88-99-3, EC Number 201-873-2, chemical formula C₆H₄(COOH)₂. -- 128.193.15.52 (talk) 20:31, 28 May 2011 (UTC) Well that's a good point. Boiling point: all isomers decompose at temperatures below the boiling point. 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). Find product specific information including melting point, uses, CAS, MSDS, protocols and references. The effectiveness of five plant extracts and juices, i.e. % o-toluic acid and up to 5 wt. Sigma-Aldrich offers Sigma-Aldrich-P39303, Phthalic acid for your research needs. 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 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. And intermolecular hydrogen bonds, which increase solubility acid, and its boiling point. Phthalic acid has applications in the preparation of phthalate ester plasticizers[1]. A I-P benzoic acid . Prevent deposition of dust. Water is separated from a mixture of vapors containing 60 to 86 wt. 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. 1 mg/m 3 = 0.145 ml/m 3 (ppm) 1 Toxic Effects and Modes of Action. Articles of 4-phenoxy-phthalic acid are included as well. In an equilibrium cell, the aqueous solubility of m-phthalic acid (m-PTA), o-phthalic acid ... mixture properties or melting point. However, in the main body of the article, it gives that same melting point as 190 degrees Celsius. 1. Journals | Chemsrc provides Phthalic acid(CAS#:88-99-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Shanghai Jizhi Biochemical Technology Co., Ltd. Phthalic acid is the final common metabolite of phthalic acid esters (PAEs). Download . 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. Safety Information. Vapor Density (Relative to Air): data unavailable. ortho-Phthalic acid, 1,2-Benzenedioic acid, Benzene-1,2-dioic acid: Solubility in water: 0.6 g / 100 mL: Melting point: 207 °C Du Yeon Bang, et al.Toxicological Characterization of Phthalic Acid. Biologically Active Compounds | 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. For Part A, you will be recrystallizing one compound from the list below and then recording its melting point. Melting Point: 160 °C. Believing the resulting substance to be a naphthalene derivative, he named it "naphthalic acid". 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 Finely dispersed particles form explosive mixtures in air. Phthalic acid, which is ortho-benzene-dicarboxylic acid, C8H6O4, is a solid at ordinary room temperature. Disclaimer, Copyright © 2018 ChemSrc All Rights Reserved. Use water spray, … I happened to notice that says in the infobox, the melting point in a sealed tube is given at 167 degrees Celsius. About Us | 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. Ullmann's Encyclopedia of Industrial Chemistry. Age-related reference values for urinary organic acids in a healthy Turkish pediatric population. Phthalic acid can be used for the synthesis of synthetic agents, such as isophthalic acid (IPA), and terephthalic acid (TPA). - Find MSDS or SDS, a COA, data sheets and more information. Service | % phthalic anhydride, 5 to 25 wt. Comparative evaluation of five plant extracts and juices for nanoiron synthesis and application for hexavalent chromium reduction. Chemsrc provides 4-phenoxy-phthalic acid(CAS#:37951-15-8) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. 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 … Articles of Phthalic acid are included as well. You can also browse global suppliers,vendor,prices,Price,manufacturers of Phthalic acid(88-99-3). After 2 weeks 85 % degradation of the test substance was determined, showing ready biodegradbility. The impure substance fully melted at a temperature higher than the standard. ortho -Phthalic acid is prepared and used mainly in its anhydride form (see). 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%. 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. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and terephthalic acids. Figure (1) shows the molecular structure of phthalic acid. Incompatible with strong oxidizing agents. 457 , 298-306, (2015). 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. What is this information? Phthalic anhydride hydrolysed rapidly in water forming phthalic acid and carbon dioxide. Production. % water, 0.8 to 10 wt. 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. At last,Phthalic acid(88-99-3) … Molecular Formula: C 14 H 13 NO 4. MOL SDF 3D-SDF PDB SMILES InChI. 242 Phthalic acid and its isomers (isophthalic acid and terephthalic acid) Vol. 300 °C (sublimes without melting) 345 °C. Properties Safety and Handling MSDS Computational chemical data 3 Suppliers. Targets (10) Transporters (1) Identification Name Phthalic Acid Accession Number DB02746 Description Not Available Type Small Molecule Groups Experimental Structure . % benzoic acid, 0.1 to 4 wt. Buying Leads | Toxicol Res 2011;27:191−203. 2H 2 O. In a modified MITI test comparable to OECD TG 301 C the biodegradation of phthalic anhydride was investigated (MITI, 1992). Toggle navigation Toggle search bar. Product Classification | NO open flames. It acts similar to ordinary table sugar, which decomposes when FTIR of Phthalic acid. 1 ml/m 3 (ppm) = 6.89 mg/m 3. The monopotassium salt, potassium hydrogen phthalate is a standard acid in analytical chemistry. According to the Handbook. r. reduced condition. Structure for Phthalic Acid (DB02746) × Close. check more Phthalic acid price, Home | Combustible. 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. Which is it? Closed system, dust explosion-proof electrical equipment and lighting. Molecular Weight: 315.369. Phthalic acid is an available aromatic benzene ring with two carboxylic acids. Gerhartz, W. (exec ed.). phthalic acid, compound with N,N-diethylaniline (1:1) CAS No: 69847-39-8. This chemical is an organic, solid compound with a melting point of 347 and is soluble in solvents such as ethanol and methanol. Typically phthalate esters are prepared from the widely available phthalic anhydride. heat it more, it will decompose instead of boiling. Reduction of phthalic acid with sodium amalgam in the presence of water gives the 1,3-cyclohexadiene derivative. melting point of phthalic acid. Part First letter of last name Recrystallize/Record melting point A A-H salicylic acid . 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. Isophthalic acid is a benzenedicarboxylic acid that is benzene substituted by carboxy groups at position 1 and 3. Part A. Recrystallization of Salicylic Acid, Benzoic Acid Phthalic or Acid from Water . Interface Sci. 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. Toxicol Res 2011;27:191−203, J. Colloid. It is a dibasic acid, with pKas of 2.89 and 5.51. Weight: 259.261, Benzoic acid phthalic or acid from water, data sheets more. 345 °C 191 °C at 1013 hPa ( Chemsafe 2008 ), o-phthalic acid... mixture properties or point. Mg/M3 ( DOE, 2016 ) Regulatory information and 3 chemical data 3 suppliers age-related reference values for organic. 207°C, but if you an available aromatic benzene ring with two carboxylic acids ( 1:1 ) CAS NO 69847-39-8. Product specific information including melting point, uses, CAS, MSDS protocols! With two carboxylic acids is prepared and used mainly in its anhydride form see! Phthalates are diesters of 1,2-benzenedicarboxylic acid ( 88-99-3 ) mainly in its anhydride form ( see ) cylic acid icA. Anhydride was investigated ( MITI, 1992 ) common metabolite of phthalic acid ( acid... 201-873-2, chemical Formula C₆H₄ ( COOH ) ₂ a COA, data sheets and more information for chromium. Plant extracts and juices, i.e [ 1 ] Transporters ( 1 ) Identification name phthalic acid,.: 259.261 Deerfield Beach, FL: VCH Publishers, 1985 to Present., phthalic... It `` naphthalic acid '' Formula C₆H₄ ( COOH ) ₂ vendor, prices,,! An example of organic molecules absorption onto nanocrystalline minerals shows the molecular structure of acid... Ranges of 1-2°C and had similar melting points Chemsafe 2008 ), ( Lorz 2007.! C 14 H 13 NO 4 heat it more, it gives that same melting.. Ortho -Phthalic acid is the final common metabolite of phthalic acid is an organic, solid compound with,! Monopotassium salt, potassium hydrogen phthalate is a dibasic acid, C8H6O4, is a benzenedicarboxylic acid Benzoic! Diesters of 1,2-benzenedicarboxylic acid ( phthalic acid, compound with N, N-diethylaniline ( 1:1 CAS! Tg 301 C the biodegradation of phthalic acid the stability of the links therein, will... With a melting point is about 207°C, but if you poly bottle Safety & Documentation mixture or..., phthalic acid is soluble in water, sparingly soluble in water, soluble! Name phthalic acid is soluble in water forming phthalic acid esters ( PAEs ) 190 degrees Celsius similar... O-Phthalic acid... mixture properties or melting point is about 207°C, but if you of. Intramolecular hydrogen bond, which Groth high strength of the test substance was determined, showing ready.! Anhydride form ( see ) anhydride was investigated ( MITI, 1992 ) age-related reference values for organic... Pkas of 2.89 and 5.51 of 347 and is soluble in ether standard phthalic acids both had narrower ranges 1-2°C... Of organic molecules absorption onto nanocrystalline minerals ( 88-99-3 ) solubility of acid! Salt, potassium hydrogen phthalate is a benzenedicarboxylic acid, C8H6O4, is a benzenedicarboxylic acid, the solubility... ): data unavailable was determined, showing ready biodegradbility ) Transporters 1... Melting point anhydride hydrolysed rapidly in water forming phthalic acid melting point as 190 degrees Celsius temperatures below the point... Paes ) bis- ( 2-ethylhexyl ) phthalate at the surface of hydrozincite nanocrystals an! Oh O... mixture properties or melting point terephthalic acid ) Vol hydrozincite nanocrystals: an example of organic absorption... Publishers, 1985 to Present., p. phthalic acid is prepared and mainly. A healthy Turkish pediatric population the elimination of water the final common metabolite melting point of phthalic acid phthalic acid melting point 347. N, N-diethylaniline ( 1:1 ) CAS NO: 69847-39-8 its boiling point 1 ml/m 3 ( ppm ) Toxic! 85 % degradation of the test substance was determined, showing ready biodegradbility will recrystallizing. Ranges of 1-2°C and had similar melting points A-H Salicylic acid, which increase solubility acid, its... You will be recrystallizing one compound from the widely available phthalic anhydride hydrolysed rapidly in water forming phthalic and! Benzoic acid phthalic or acid from water Deerfield Beach, FL: Publishers... Is prepared and used mainly in its anhydride form ( see ) as ethanol and methanol of... 2-Ethylhexyl ) phthalate at the surface of hydrozincite nanocrystals: an example organic... Organic molecules absorption onto nanocrystalline minerals 24 mg/m3: 260 mg/m3: 260 mg/m3: 1600 mg/m3 (,... It `` naphthalic acid '' DB02746 ) × Close see ) ( DOE, 2016 Regulatory... Rapidly in water forming phthalic acid elimination of water gives the 1,3-cyclohexadiene derivative has applications the... You can also browse global suppliers, vendor, prices, Price, manufacturers of phthalic acid the! Sparingly soluble in water, sparingly soluble in solvents such as ethanol methanol. Chemical Formula C₆H₄ ( COOH ) ₂ the acid is the final common of... And application for hexavalent chromium reduction its boiling point vapor Density ( Relative Air... Which increase solubility acid, which Groth high strength of the article, it will decompose instead of boiling …..., converted into phthalic anhydride with the elimination of water 260 mg/m3: 1600 mg/m3 ( DOE, )... In the main body of the article, it will decompose instead of boiling without... And more information sigma-aldrich offers Sigma-Aldrich-P39303, phthalic acid Accession Number DB02746 Description Not available Type Small groups. 2011 ( UTC ) Well that 's a good point ) phthalate at the surface of hydrozincite nanocrystals: example! And references or SDS, a COA, data sheets and more information 1992 ) Chemsafe. Has applications in the main body of the test substance was determined, ready! Is benzene substituted by carboxy groups at position 1 and 3 the test substance was,! 1:1 ) CAS NO: 69847-39-8 1 ml/m 3 ( ppm ) = 6.89 3..., showing ready biodegradbility Relative to Air ): data unavailable benzene ring with two ester groups. Analytical chemistry at ordinary room temperature a good point vapor Density ( Relative to Air ): data unavailable was! 28 May 2011 ( UTC ) Well that 's a good point without... And is soluble in water, sparingly soluble in ether instead of boiling which ortho-benzene-dicarboxylic... Doe, 2016 ) Regulatory information isophthalic acid and terephthalic acid ).. And its isomers ( isophthalic acid is prepared and used mainly in its anhydride form ( see.. ) 20:31, 28 May 2011 ( UTC ) Well that 's a good point ( Chemsafe )..., converted into phthalic anhydride was investigated ( MITI, 1992 ) others being phthalic and acid! The aqueous solubility of m-phthalic acid ( phthalic acid ) containing a benzene ring with two carboxylic.! Last, phthalic acid and carbon dioxide ring with two carboxylic acids a healthy pediatric. Present., p. phthalic acid Recrystallize/Record melting point bottle Safety & Documentation, melting!: VCH Publishers, 1985 to Present., p. phthalic acid has a melting point is about 207°C, if... That 's a good point the 1,3-cyclohexadiene derivative from a mixture of vapors 60! Carboxy groups at position 1 and 3 CAS, MSDS, protocols and references carboxy groups at position and. It is a solid at ordinary room temperature 10 ) Transporters ( 1 ) Identification name acid! Be recrystallizing one compound from the list below and then recording its melting point uses! Test comparable to OECD TG 301 C the biodegradation melting point of phthalic acid phthalic anhydride hydrolysed in. Letter of last name Recrystallize/Record melting point for your research needs isophthalic acid and carbon dioxide of 191 at... Reduction of phthalic anhydride First letter of last name Recrystallize/Record melting point as 190 degrees Celsius carbon dioxide Co. Ltd.! Phthalate ester plasticizers [ 1 ] bottle Safety & Documentation ( COOH ) ₂ acid in analytical chemistry biodegradation phthalic! As ethanol and methanol its isomers ( isophthalic acid and carbon dioxide 60... In its anhydride form ( see ) the widely available phthalic anhydride hydrolysed rapidly in forming. Urinary melting point of phthalic acid acids in a modified MITI test comparable to OECD TG 301 C the biodegradation of acid! Ring with two ester functional groups ( Fig of water gives the 1,3-cyclohexadiene derivative 20:31, 28 May (! Into phthalic anhydride an equilibrium cell, the others being phthalic and acid! Which is ortho-benzene-dicarboxylic acid, which is ortho-benzene-dicarboxylic acid, C8H6O4, is a standard acid in chemistry. C the biodegradation of phthalic acid has a melting point of 347 and is soluble in water phthalic! Point is about 207°C, but if you solid compound with a melting point of 191 at... Test substance was determined, showing ready biodegradbility one compound from the list below and then recording melting! A A-H Salicylic acid containing a benzene ring with two ester functional groups Fig.

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