7786-81-4 NSC51152 Nickel sulfate Nickel sulfate (1:1) Nickel sulfate (NiSO4) Nickel(2+) sulfate Nickel(2+) sulfate (1:1) Nickel(II) sulfate Nickel(II) sulfate (1:1) Nickelous sulfate Sulfuric acid nickel(2+) salt Sulfuric acid, nickel(2+) salt (1:1) WLN: NI S-O4