P-toluenesulfonic acid
P-toluenesulfonic acid is widely used in the synthesis of pharmaceuticals, pesticides, stabilizers for polymerization reactions, catalysts for organic synthesis (esters, etc.), intermediates for coatings and resin curing agents. It is a common acid catalyst for organic synthesis. It can be neutralized with sodium hydroxide to produce sodium p-toluenesulfonate, and then with the action of phosphorus pentachloride, p-toluenesulfonyl chloride can be produced. The latter is used in the nucleophilic substitution reaction, also used as the protective base of hydroxyl group. The use of p-toluenesulfonic acid also catalyzes the dihydrofuran protecting group on s, carboxylic acid esterification, ester exchange reaction, and makes aldehydes to generate acetal and so on.
Brand: Soarwin
CAS No.: 104-15-4
EC Number: 203-180-0
Molecular Formula: C7H8O3S
Density: 1.07
Melting point: 106~107℃
Boiling point: 116 °C
Flash point: 41 °C
Contact : Crystal Zhao, +12 1 37 59 13 58
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M15 4PZ FoodReport abuse
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Saturday, April 30, 2016
Quantity : 1 - Price : 36,00 €
Vous trouverez dans ce lot 12 Tablettes Rangement SALLE DE BAIN, qui représente une valeur à la revente de 144 € Prix de vente du lot 36 € Description article : Ce lot comprend 12 Tablettes Rangement SALLE DE BAIN de couleur Blanc et Noir passe partout. Chaque Article est neuf et emballé...
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