4-[[6'-(Diethylamino)-3'-hydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9h]xanthen]-2'-yl]azo]-3-hydroxynaphthalene-1-sulphonic acid,sodium salt

• Supplier: Alfa Chemistry
• Product #: ACM94231751
• CAS #: 94231-75-1