Grade:HIGH PURITY GRADECAS Number:1936-15-8Description:Very valuable as a plasma stain. Also a great background stain for hematoxylin. Molecular Weight: 452.38Molecular Formula: C16H10N2Na2O7S2Storage Condition: ROOM TEMPERATURERisk Statements: 36/37/38 Safety Statements: 36/37/39