Source: Mol-Instincts Chemical Database, Predicted on Quantum. S3A–E). 166.131; All; Links to Resources; Names & Synonyms; … Current studies on the mixing structure effects on aerosol hygroscopicity, however, is few reported. The experimental temperature ranges from (298.3 to 367.9) K, and the mass fraction of acetic acid in the solvent mixtures ranges from 0.8 to 1.0. This provides a %yield of ~98%. According to the Handbook. Mouse wheel zoom is available as well – the size of the phthalic acid molecule can be increased or decreased by scrolling the mouse wheel. The IUPAC name given to phthalic acid is Benzene-1,2-dicarboxylic acid. Effect of mixing structure on the water uptake of mixtures of ammonium sulfate and phthalic acid particles . Unlike most such conversions this happens with ease due to the formation of a 5-membered ring.” (ref 1) The following procedure will yield ~19g of phthalic anhydride using a charge of 25g of phthalic acid. Please hyperlink "Mol-Instincts" to www.molinstincts.com. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and isophthalic acids. Phthalic acid, 3-nitro-. Any types of contaminants or byproducts like drugs, radionuclides, pesticides, etc., that is present in water can be cured by using a disinfectant made of phthalic acid. The temperature of 206 ° C (decomposition), density (20 / 4 ° C) 1.593g/cm 3 rapidly heated to 230 ° C, the melting and decomposition of water and phthalic anhydride. 3-Nitrophthalic acid. Oxalic acid is an odorless white solid. A series of phthalic acid diamides (4I−4IV) with the CF3 group at meta position on the aniline ring were synthesized. 3-nitrobenzene-1,2-dicarboxylic acid. U.S. Pat. Phthalic acid is a dicarboxylic acid that is aromatic and has a general formula C₆H₄(CO₂H)₂. Images of the chemical structure of phthalic acid are given below: Th… The carbon atoms in the chemical structure of phthalic acid are implied to be located at the corner(s) and hydrogen atoms attached to carbon atoms are not indicated – each carbon atom is considered to be associated with enough hydrogen atoms to provide the carbon atom with four bonds. Chronic toxicity and carcinogenicity studies of several phthalic acid esters (PAEs) and compounds containing a 2-ethylhexyl moiety were conducted in Fischer 344 rats and B6C3F1 (hybrid) mice. share | improve this question | follow | edited Mar 28 '17 at 18:58. It can also be used for making disinfectants. Then, try SnaPeaks – simply upload your MS/MS data and SnaPeaks will provide what’s in your natural products. 3-nitro-phthalic acid. The structure was minimized for 1000 steps by utilizing the smart-minimizer algorithm with 0.1 RMS gradient cut-off to remove the steric overlaps. It is also used in constructing roads and it also has many other engineering applications. Phthalic acid was found to have a melting point of about 405°F. No. Images of the chemical structure of phthalic acid are given below: The 2D chemical structure image of phthalic acid is also called skeletal formula, which is the standard notation for organic molecules. Acids accelerate the reaction with water. A series of phthalic acid diamides (4I−4IV) with the CF3 group at meta position on the aniline ring were synthesized. U.S. Pat. TrY iS CheM TrY iS CheM. Phthalic acid is an aromatic dicarboxylic acid, with formula C6H4(CO2H)2. Here we investigated the effect of phthalic acid (PA) coatings on the hygroscopic behavior of the core-shell mixtures of ammonium sulfate (AS) with PA using a coating-hygroscopicity tandem differential mobility analyzer (coating-HTDMA). Phthalic acid has a molar mass of 166.132 g/mol while it also has a density of 1.593 g/cm³ when it exists in solid-state. This colorless solid is an isomer of phthalic acid and terephthalic acid. phthalic acid CAS 88-99-3. Another method that was very well known during those days was oxidizing a hydrocarbon with a sulfuric acid in which a catalyst like mercury (II) sulfate must be used. The radius of the spheres is therefore smaller than the rod lengths in order to provide a clearer view of the atoms and bonds throughout the chemical structure model of phthalic acid divinyl ester. X-ray crystal structure shows structure with monoclinicP2 1/cspace group.o-Phthalic acid molecules act as bridge between two Cu(II), one carboxylate binds to one Cu(II) as bidentate while the other carboxylate binds to another Cu(II) as monodentate. Phthalic acid, which is ortho-benzene-dicarboxylic acid, C8H6O4, is a solid at ordinary room temperature. of Chemistry & Physics, its melting point is about 207°C, but if you. 85-44-9 เป็นผงหรือแผ่นสีขาว ละลายน้ำได้ : กลิ่น : กลิ่นสาบ : การใช้งาน. Molecular Formula. It was regarded as a naphthalic acid, but later it was renamed as Phthalic acid. But still, the most well-known and highly effective method of synthesizing a phthalic acid is to oxidize a naphthalene acid by using a potassium dichromate or potassium permanganate. Their structures were characterized by 1H NMR and 13C NMR (or elemental analysis). Phthalic Anhydride : ลักษณะ: สูตรทางเคมี C 6 H 4 (CO) 2 O CAS #. No. Phthalic acid is one of three isomers of benzenedicarboxylic acid, the others being isophthalic acid and terephthalic acid. Phthalic acid diamides have received considerable interest in agricultural chemistry due to a novel action mode, extremely high activity against a broad spectrum of lepidopterous insects, low acute toxicity to mammals, and environmentally benign characteristics. Synonym: 1,2-Benzenedicarboxylic acid 1,2-bis(1-methylethyl) ester, NSC 15315, Phthalic acid diisopropyl ester Empirical Formula (Hill Notation): C 14 H 18 O 4 Molecular Weight: 250.29 Weigang Wang 1,4,, Ting Lei 2,3,, Andreas Zuend 5, Hang Su 3, Yafang Cheng 2, Yajun Shi 1, Maofa Ge 1,4,6, and Mingyuan Liu 1,4 Weigang Wang et al. Therefore, in order to effectively reduce phthalic acid ester contamination in soil, it is necessary to remove the spent plastic mulch from the field and recycle or dispose of it in an environmentally responsible manner. Carboxylic acids are organic compounds which incorporate a carboxyl functional group, CO 2 H. The name carboxyl comes from the fact that a carbonyl and a hydroxyl group are attached to the same carbon. The 3D chemical structure image of phthalic acid divinyl ester is based on the ball-and-stick model which displays both the three-dimensional position of the atoms and the bonds between them. Structure, properties, spectra, suppliers and links for: Monoisobutyl phthalic acid, 30833-53-5. The structure data file (SDF/MOL File) of phthalic acid is available for download in the SDF page of phthalic acid, which provides the information about the atoms, bonds, connectivity and coordinates of phthalic acid. Singh N(1), Dalal V(1), Kumar P(2). The molecular weight of phthalic acid is available in molecular weight page of phthalic acid, which is calculated as the sum of the atomic weights of each constituent element multiplied by the number of atoms of that element in the molecular formula. A group of compounds that has the general structure of a dicarboxylic acid-substituted benzene ring. heat it more, it will decompose instead of boiling. The phthalic acid product is separated from toluic acid which is added to fresh xylene and catalyst and charged to the oxidation step. The chemical formula of phthalic acid was found to be C₈H₆O₄. Coordination polymer of Cu(II) bridged by o-phthalic acid alone is not known.The reaction of CuCl 2.2H 2 O with (2-butoxycarbonyl)benzoic acid yielded three dimensional coordination polymer bridged by o-phthalic acid.X-ray crystal structure shows structure with monoclinic P2 1 /c space group. Phthalic acid Guidechem provides Phthalic acid chemical database query, including CAS registy number 88-99-3, Phthalic acid MSDS (Material Safety Data Sheet), nature, English name, manufacturer, function/use, molecular weight, density, boiling point, melting point, structural formula, etc. (2011) the value of 0.092 ± 0.042 M −1 s −1 was determined. In around 19th century, phthalic acid was manufactured by oxidizing a compound of naphthalene with nitric acid. 2013b). 405 The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type, and location of covalent bonds. 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