... called as bleaching powder,CAS NO.7778-54-3, white powder, the effective chlorine is 60-70%. Bleaching powder: (Calcium hypochlorite: (Ca ... (ClO)2)Main composition: Ca(ClO)2, white powder or granules, content is ... chlorating agent of rubbers.calcium hypochlorite also called as bleaching powder,CAS NO.7778-54-3, white powder, the effective chlorine ...