Copper (II) sulfate, solution 0.4 M

Molecular formula:
CuSO4
Chemical compound:
copper(II) sulfate
Common name
Other names:
copper (II) sulphate , cupric sulfate, blue vitriol (pentahydrate), bluestone (pentahydrate), bonattite (trihydrate mineral), boothite (heptahydrate mineral), chalcanthite (pentahydrate mineral), chalcocyanite (mineral)

Wikipedia page

MSDS (material safety data sheet)