Composition: Ferrous Sulfate Heptahydrate 100% Grade: Purified Boiling Point: > 300°C (decomposes) CAS Number: 7782-63-0 Density: 1.9 Chemical Formula: FeSO4.7H2O Molecular Weight: 278.01 g/mol Melting Point: 64°C Color: Green or bluish-green solid Physical State: Solid …