S 2251 (OTTO) Sodium tert-Amylate, 95% CAS NO- 14593-46-5,used base in the deoxycyanamidation of alcohols. and in the N-cyanation of secondary amines.It can also be used in the preparation of complex reducing agents to reduce 1-halonaphthalenes and substituted halobenzenes to corresponding naphthalenes and benzenes.