Potassium hydroxide solution 10% for the fast hydrolysis of esters for analysis.
The applicability of a five-minute hydrolysis method with 10% potassium hydroxide in an alcohol-water (80-20) mixture was investigated for the quantitative determination of certain esters (aspirin, benzocaine, benzyl benzoate, methyl paraben, phenyl salicylate, procaine hydrochloride, propyl paraben, salicylanilide and 0-salicylsalicylic acid) and salicylamide. The results indicate that the method is satisfactory for all but methyl paraben and propyl paraben.
D001566:Benzocaine / Q000032:analysis; D001593:Benzyl Compounds / Q000032:analysis; D002264:Carboxylic Acids / Q000032:analysis*; D004952:Esters / Q000032:analysis*; D005290:Ferric Compounds; D006868:Hydrolysis; D006878:Hydroxides; D007202:Indicators and Reagents; D008722:Methods; D011188:Potassium; D012459:Salicylates / Q000032:analysis; D013997:Time Factors
D001593:Benzyl Compounds; D002264:Carboxylic Acids; D004952:Esters; D005290:Ferric Compounds; D006878:Hydroxides; D007202:Indicators and Reagents; D012459:Salicylates; D011188:Potassium; D001566:Benzocaine