<P> The carbylamine reaction, also known as Hoffman's isocyanide test is a chemical test for detection of primary amines . In this reaction, the analyte is heated with alcoholic potassium hydroxide and chloroform . If a primary amine is present, the isocyanide (carbylamine) is formed which are foul smelling substances . </P> <P> For example, the reaction with ethylamine: </P>

When primary amine reacts with chcl3 in alcoholic koh the product is