Now-a-days the following reagent is used in place of Hinsberg reagent to distinguish primary, secondary and tertiary amines

Both 1 and 2 can be used to distinguish 1° , 2° and 3° amines(1) is Hinsberg reagentNow-a-days para-toulene benzene sulphonyl chloride (2) is used instead of benzene sulphonyl chloride (1).