Specification

Product Identification
CAS NO. 7720-78-7
Formula FeSO4
Density 1.898 g/cm3 (heptahydrate)
Melting point 70 °C (dehydration of heptahydrate)
Solubility in water 48.6 g/100 mL (heptahydrate) (50 °C)
Refractive index (nD) 1.478 (heptahydrate)
Other Names Green vitriol, iron vitriol, copperas.
Appearance Blue/Green or white crystals Odor odorless
Molecular wt 278.05 g/mol