Toluene-4-sulfonic acid monohydrate CAS 6192-52-5 for analysis EMSURE® ACS - Find MSDS or SDS, a COA, data sheets and more information.
The solubilities of p-toluenesulfonic acid monohydrate (PTSA·H2O) and sodium p-toluenesulfonate (NaPTS) in aqueous sulfuric acid solutions were investigated at a temperature range from 278.45 to 342.95 K.
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Alternate Name: tosic acid. Physical Data: the anhydrous acid exists as monoclinic leaflets or prisms, mp 106–107 °C; pK a −6.62 (H 2 SO 4) 1. There is also a metastable form, mp 38 °C. The monohydrate is a white crystalline powder, mp 103–106 °C. Solubility: sol water (67 g/100 mL), ethanol, ethyl ether. The sodium salt is very sol water.
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p-Toluenesulfonic acid has been used to catalyze the formation of enamines; water is removed via azeotropic distillation. 18 The dehydration of primary nitro compounds by tosic acid provides access to nitrile oxides, which can subsequently engage in 1,3-dipolar cycloaddition reactions. 19 Oximes may be dehydrated to nitriles by heating with ...
p-Toluenesulfonic Acid Salts [Chemical Structural Class] 검색 기록 TCI 제품 이나 화학에 관한 여러 정보에 대해 궁금하신 사항이 있으시면 질문상자에 문의주십시오.
Best way to dry p-toluenesulfonic acid monohydrate? I have some PTSA Monhydrate and would like it dry so that I can know more precisely the ratio of g PTSA:mL H2O.
p-Toluenesulfonic acid: Description: p-Toluenesulfonic acid, also known as tosylate or para-toluene sulfonate, is a member of the class of compounds known as p-methylbenzenesulfonates. p-Methylbenzenesulfonates are benzenesulfonic acids (or derivative thereof) carrying a methyl group at the para- position. p-Toluenesulfonic acid is slightly ...
p-toluenesulfonic acid monohydrate may be used as a better alternative to Friedel-Crafts catalysts for the alkylation of the aromatic nucleus with activated alkyl halides, alkenes, or tosylates under mild conditions. Packaging 100, 500 g in poly bottle 3, 15 kg in poly drum 5 g in glass bottle
A process for synthesizing p-cresol by direct alkali fusion of p-toluenesulfonic acid includes such technological steps as preparing p-toluenesulfonic acid by sulfonating reaction of toluene on sulfuric acid, direct alkali fusion of p-toluenesulfonic acid with fused sodium hydroxide to obtain cresol sodium, acidifying it with SO2 to obtain ...
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p-Toluenesulfonic acid monohydrate is an organic-soluble acid catalyst in organic synthesis. The catalyst has been incorporated in the esterification of carboxylic acids or transesterification of esters. The compound has been used as a reducing agent for the reductive amination of ketones and aldehydes.
p-Toluenesulfonic acid monohydrate is prepared by sulfonation of toluene with concentrated sulfuric acid in a Dean Stark setup for water removal. The reaction mixture is worked up by formation of ...
sensitive determination of p-toluenesulfonic acid in water-insoluble drugs Introduction p-Toluenesulfonic acid—an aromatic organic acid also known as tosylic acid—is widely used in the pharmaceutical industry as a counterion for basic drugs because of its strong acidic and hydrophilic properties.
p-Toluenesulfonic acid monohydrate 96.5+ unlisted Section 3 - Hazards Identification EMERGENCY OVERVIEW Danger! Hygroscopic (absorbs moisture from the air). Causes burns by all exposure routes. Target Organs: Respiratory system, eyes, skin. Potential Health Effects Eye: Causes eye burns. Skin: Causes skin burns.
Synthesis description for preparation of p-TOLUENESULFONIC ACID. To 500 ml a round bottom flask, fitted with a dean stark, which is connected with reflux condenser, 100 ml of toluene and 20 ml of
p-Toluenesulfonic acid monohydrate is used as a catalyst in the synthesis of resveratrol, in oxane derivatives as an antimalarial agent, as substituted piperidine and unsymmetrical benzyl. It acts as a catalyst in the preparation of 1,3,5-trisubstituted pyrazoles derivatives, selenated ketene dithioacetals, triazoloquinazolinone and ...
p-Toluenesulfonic acid monohydrate, an oxonium salt, is an inexpensive and easy to handle organic catalyst used in organic synthesis. The study of its crystalline structure shows that it is monoclinic with P2 1 /c space group. Its solubility in aqueous sulfuric acid solutions has been studied. Application
p-Toluenesulfonic acid Chemical Properties,Uses,Production Overview p-toluene sulfonic acid (Its molecular structural formula is p-CH3C6H4SO3H, also known as TsOH, English name is p-toluene sulfonic acid) referred to as PTS, is a non-oxidizing organic acid, white needle or powder crystals, soluble in water, alcohols, ethers and other polar solvents.
Toluenesulfonic acid - tips and tricks. (Rated as: excellent) Bookmark Hi everyone! This post was inspired by Rhodium who asked me to translate a Russian article on making p-toluenesulfonic (tosic) acid, a very useful reagent in Organic Synthesis.
Structure, properties, spectra, suppliers and links for: p-Toluenesulfonic acid, 104-15-4, TsOH, p-TsOH.
p-toluenesulfonic acid monohydrate,4-methylbenzenesulfonic acid hydrate,4-methylbenzenesulfonic acid monohydrate,p-toluene sulfonic acid monohydrate,unii-3bto78gaff,benzenesulfonic acid, 4-methyl-, monohydrate,ptoluenesulfonic acid,p-toluenesulfonic acid, monohydrate,3bto78gaff,4-methylbenzene-1-sulfonic acid hydrate: PubChem CID: 521998: IUPAC ...
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p-Toluenesulfonic acid may enter the environment in wastewater from its production or use in organic synthesis. It will remain in aquatic environments where it may biodegrade. Biodegradation may proceed very slowly if acclimated microorganisms are absent from the bodies of water. p-Toluenesulfonic acid will not bioconcentrate into aquatic ...
p-toluenesulfonic acid by bacteria during storage. ALTERNATIVE METHOD: As an alternative to the glass fiber filters, air samples of p-toluenesulfonic acid can be collected in midget impingers containing isopropanol at 1 L/min. After sampling, the impinger solution is transferred to a 20-mL glass vial and transported to the laboratory.
Toluenesulfonate esters are useful for the application as alkylating agents in organic synthesis. p-Toluenesulfonic acid is used as a non-oxidizing catalyst in the manufacture of plasticizers It is used as a curing agent for epoxy-phenolic resins.
Chemsrc provides p-Toluenesulfonic acid(CAS#:104-15-4) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of p-Toluenesulfonic acid are included as well.
p-Toluenesulfonic acid (PTSA or pTsOH) or tosylic acid (TsOH) is an organic compound with the formula CH 3 C 6 H 4 SO 3 H.It is a white solid that is soluble in water, alcohols, and other polar organic solvents.
The solubilities of p-toluenesulfonic acid monohydrate (PTSA·H2O) and sodium p-toluenesulfonate (NaPTS) in aqueous sulfuric acid solutions were investigated at a temperature range from 278.45 to ...
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