Prussian blue/ PB 27 / blue 27 1. inorganic pigment 2. non-toxic pigment 3. classic blue 4. Prompt delivery Chemical name: Pigment Blue 27;Milori Blue;Prussian blue, Ferric ferrocyanide;Ferric hexacyanoferrate(II)Molecular formula:4Fe(CN)6.3FeMolecular weight:859.24CAS No.:14038-43-8, 12240-15-2Specification: Milori Blue