PRODUCT NAME    :          TRYPAN BLUE Synonyms                 :          Diamine blue 3B; Niagara Blue 3B; Direct Blue 14 CAS NO.                   :          72-57-1 C.I. NO.                      :          23850 Molecular Formula  :          C34H24N6Na4O14S4 Formula Weight       :          960.82 Appearance              :          Dark Blackish Brown Powder