... price 2,2'-azobis(2-methylpropionamide) dihydrochloride,AIBA,water soluble azo initiator, 98%,free of cyano groupSpecification: Appearance: white crystalline powderAssay ... -(2-imidazolin-2-yl)propane]dihydrochloride,VA-044,water soluble azo initiator, 98%