para-Toluene sulfon...

para-Toluene sulfonic

para-Toluene sulfonic

Min.Order / FOB Price:Get Latest Price

1 Metric Ton

Negotiable

  • Min.Order :1 Metric Ton
  • Purity: 99%
  • Payment Terms : L/C,T/T,,Other

Keywords

PTS ACID P-TOLUENE SULPHONIC ACID TSA

Quick Details

  • Appearance:white power
  • Application:Pharma;Industry;Agricultural
  • PackAge:As customer request
  • ProductionCapacity:1000|Metric Ton|Month
  • Storage:Flammables area
  • Transportation:SEA OR AIR

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Details:

P-toluene Sulfonic acid (molecular formula: p - CH3C6H4SO3H, TsOH, also writing in English p - Toluene Sulfonic acid) PTS for short, is not an oxidizing organic acid, as the white needle crystal or powder, soluble in water, alcohol, ether and other polar solvent. Extremely easy deliquescence, easy to make wood, cotton fabric, dehydration and carbide, hardly soluble in benzene and toluene. Alkali fusion generated when BHT. Common is p-toluene sulfonic acid monohydrate (TsOH · H2O) or four hydrate (TsOH · 4 H2O).
Industry by using sulfuric acid in toluene sulfonation preparing methyl benzene sulfonic acid. Of p-toluene sulfonic acid, benzene sulfonic acid and sulfuric acid impurities, can pass will not be pure samples after recrystallization in concentrated hydrochloric acid, azeotropic drying purification.
P-toluene sulfonic acid is widely used in synthesis of medicine, pesticide, polymerization of stabilizers (esters, etc.) of the catalyst and organic synthesis intermediates and resin curing agent, coating. Is the commonly used acid catalyst in organic synthesis. Use it with sodium hydroxide and sodium p-toluene sulfonic acid was made, and phosphorus pentachloride again, p-toluene sulfonyl chloride can be obtained. The latter in the nucleophilic substitution reaction, also used as alcohol hydroxyl protection. + PCl5 - p - p - CH3C6H4SO3Na CH3C6H4SO2Cl
The purpose of p-toluene sulfonic acid and glycol catalyzed dihydrogen furan protection base, carboxylic acid on the esterification, ester exchange reaction, make the aldehyde acetal, etc.
 

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