Phthalate esters are the dialkyl or alkyl aryl esters of phthalic acid (also called 1,2-benzenedicarboxylic acid, not be ... Bi M, Liu W, Luan X, Li M, Liu M, Liu W, Cui Z (October 2021). "Production, Use, and Fate of Phthalic Acid Esters for Polyvinyl ... Phthalates (US: /ˈθæleɪts/, UK: /ˈθɑːleɪtsˌ ˈfθælɪts/), or phthalate esters, are esters of phthalic acid. They are mainly used ... Phthalates are produced industrially by the acid catalysed reaction of phthalic anhydride with excess alcohol. The synthesis of ...

... is produced by the reaction of ethanol with phthalic anhydride, in the presence of a strong acid catalyst: It ... Some bacteria with these abilities have specific enzymes involved in the degradation of phthalic acid esters such as phthalate ... Recent studies show that DEP, a phthalic acid ester (PAE), is enzymatically hydrolyzed to its monoesters by pancreatic ... followed by phthalic acid. This reaction occurs very slowly in an abiotic environment. Thus there exists an alternative pathway ...

The common name is derived from the turpentine-producing tree Pistacia terebinthus and phthalic acid. Terephthalic acid was ... Terephthalic acid was produced by oxidation of p-xylene with dilute nitric acid. Air oxidation of p-xylene gives p-toluic acid ... Ogata, Yoshiro; Tsuchida, Masaru; Muramoto, Akihiko (1957). "The Preparation of Terephthalic Acid from Phthalic or Benzoic Acid ... "Further Studies on the Preparation of Terephthalic Acid from Phthalic or Benzoic Acid". Journal of Organic Chemistry. 25 (12): ...

The original alkyds were compounds of glycerol and phthalic acid sold under the name Glyptal. These were sold as substitutes ... Alkyds are derived from polyols and organic acids including dicarboxylic acids or carboxylic acid anhydride and triglyceride ... Both types are typically produced from dicarboxylic acids or anhydrides, such as phthalic anhydride or maleic anhydride, and ... In this process, an acid anhydride, a polyol and an unsaturated fatty acid are combined and cooked together until the product ...

... phthalate (PVAP): Polyvinyl acetate is partially hydrolyzed and then esterified with phthalic acid. Ethylene ... The monomer, vinyl acetate, was first produced on an industrial scale by the addition of acetic acid to acetylene with a ... In alkaline conditions, boron compounds such as boric acid or borax cause the polyvinyl alcohol to cross-link, forming ... while its ester groups are sensitive to base hydrolysis and slowly convert PVAc into polyvinyl alcohol and acetic acid. The ...

... a reduced analog of phthalic acid. It is a colorless solid, although commercial samples often appear yellowish. One preparation ...

It is a vinyl acetate polymer that is partially hydrolyzed and then esterified with phthalic acid. Its main use in ...

French chemist Auguste Laurent discovers o-phthalic acid (1,2-benzenecarboxylic acid) by oxidizing naphthalene tetrachloride. ...

Wang C, Zeng T, Gu C, Zhu S, Zhang Q, Luo X (2019). "Photodegradation Pathways of Typical Phthalic Acid Esters Under UV, UV/ ... Lewis acids, such as FeCl3, can also be used as the catalyst. The Lewis acid catalysis process can be run at lower lower ... This can transform it into other compounds such as phthalic acid and various isobutyl alcohol derivatives. Sorption: DIBP can ... This can lead to the formation of several degradation products, including phthalic acid, isobutyraldehyde, and other aldehydes ...

It is a mixture of compounds derived from the esterification of phthalic acid and isomeric decyl alcohols. The coating on ...

The most common class of plasticizers used in PVC is phthalates, which are diesters of phthalic acid. Phthalates can be ... of fatty acids) are common in flexible PVC applications, species such as calcium stearate. PVC is a thermoplastic polymer. Its ...

... is formed through the cyclotetramerization of various phthalic acid derivatives including phthalonitrile, ... diiminoisoindole, phthalic anhydride, and phthalimides. Alternatively, heating phthalic anhydride in the presence of urea ... H2Pc and CuPc dissolve easily in sulfuric acid due to the protonation of the nitrogen atoms bridging the pyrrole rings. Many ...

It is a phthalate and is the diester of phthalic acid and the 10-carbon branched-chain alcohol 2-propylheptanol. This colorless ...

... picene-quinone carboxylic acid, and finally to phthalic acid. When intercalated with potassium or rubidium and cooled to below ... It is soluble in concentrated sulfuric acid with a green color. Chromic acid in glacial acetic acid solution oxidizes it to ...

... and an ionic solid that is the monopotassium salt of phthalic acid. KHP is slightly acidic, and it is often used as a primary ... HP− + H2O ⇌ P2− + H3O+ KHP can be used as a buffering agent in combination with hydrochloric acid (HCl) or sodium hydroxide ( ... acting as a weak acid, hydrogen phthalate reacts reversibly with water to give hydronium (H3O+) and phthalate ions. ... standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately. It is not hygroscopic ...

The alkyds are prepared from reaction of conventional divalent acid materials like phthalic and maleic anhydrides with MG of ...

Upon exhaustive irradiation with visible light fluorescein decomposes to release phthalic and formic acids and carbon monoxide ... In some cases, acids such as zinc chloride and methanesulfonic acid are employed to accelerate the Friedel-Crafts reaction. ... The extent to which fluorescein dilaurate is broken down to yield lauric acid can be detected as a measure of pancreatic ... The method involves the fusion of phthalic anhydride and resorcinol, similar to the route described by Adolf von Baeyer in 1871 ...

... is typically a mixture of chemical compounds consisting of various isoheptyl esters of phthalic acid with ...

On the condensation of hippuric acid with phthalic acid anhydride and with benzaldehyde]. Annalen der Chemie. 275: 1-8. doi: ... on reduction and hydrolysis give the corresponding amino acids. In one study the Erlenmeyer amino acid synthesis was used in ... Aromatic aldehyde derivatives of proteins, peptides and amino acids. J. Biol. Chem. 1929, 84:675-682 Alan D. Borthwick. 2,5- ... The Erlenmeyer-Plöchl azlactone and amino acid synthesis, named after Friedrich Gustav Carl Emil Erlenmeyer who partly ...

... peroxyhexanoic acid, abbreviated as PAP) is a synthetic organic peroxy acid derived from caprolactam and phthalic anhydride. ... EP 1523474, "Crystalline forms of imidoalkanpercarboxylic acids", issued 2003-07-08 (PubChem ID (CID) same as Wikidata, ...

This page provides supplementary chemical data on Terephthalic acid, the organic compound and one of three isomeric phthalic ... acids, all with formula C6H4(CO2H)2. The handling of this chemical may require notable safety precautions, which are set forth ...

... o-phthalic acid + NADH + H+ The enzyme is involved in phenanthrene degradation. Iwabuchi T, Harayama S (October 1997). " ...

... bisphthalic acid (name derived from phthalic acid). The raw materials for 6FDA are hexafluoroacetone and orthoxylene. With ... These are prepared by the polymerisation of 6FDA with an aromatic diamine such as 3,5-diaminobenzoic acid or 4,4'- ... bisphthalic acid. Dehydration gives the dianhydride 6FDA. 6FDA is used as monomer for the synthesis of fluorinated polyimides. ...

The Monstral blue found to coat the inside of copper vessels used to process phthalic acid derivatives had led to the discovery ... 2.5 also stains carboxyl group containing sugars such as sialic acids and uronic acids intensify the stain of hyaluronic acids ... Nucleic acids are generally basophilic because they have a very high density of negative charge due to the sugar phosphate ... Commercially available batches usually contained about 49% of the actual dye and rest used to be Sulfate, boric acid, dextrin ...

... as Heidelberger proved-would produce useful dyes when combined with phthalic acid. As a student he supported himself by selling ... while Heidelberger took turns buying cheaper materials like sulfuric acid. "Better training than that you couldn't have," ...

DINP is typically a mixture of chemical compounds consisting of various isononyl esters of phthalic acid, and is commonly used ...

This is attributed to the presence of significant amounts of acids and esters such as the Hexadecanoic and Phthalic acids, ... which is conducive to the synthesis and accumulation of nitrogenous compounds such as amino acids and caffeine. The harvest ...

2-Ethylhexanol and 2-Ethylhexanoic acid), phthalic and maleic anhydrides and plasticizers. The operations are based on two ... Elekeiroz produces unsaturated polyester resins, formaldehyde, formaldehyde-urea concentrate, sulfuric acid, oxo derivatives (n ...

It is a derivative of sulfathiazole in which the phthalic acid substitution on the aniline nitrogen prevents it from being ... The mechanism of action depends on competitive antagonism with para-aminobenzoic acid and inhibition of dihydropteroate ... synthetase activity, which in turn leads to impaired synthesis of dihydrofolic acid and as a result its active metabolite ...

... phthalic acid, and carbolic acid. He devised a systematic nomenclature for organic chemistry based on structural grouping of ...

"Action of some bisquaternary derivatives of phthalic acids and related substances on neuromuscular transmission". British ...