Quick view View Item Iron(II,III) oxide powder, 25G Iron(II,III) oxide powder, <5 μm, 95% CAS Number 1317-61-9 Empirical Formula (Hill Notation) Fe3O4 Molecular Weight 231.53 EC Number 215-277-5 MDL number MFCD00011010... Weight: 1.00 LBS View Item Quick view Qty in Cart: 0 Price: Subtotal: