Cobalt(II) sulphate heptahydrate, min. 97 %, extra pure, 100 g, plastic

Cobalt(II) sulphate heptahydrate, min. 97 %, extra pure, Molar mass (M) 281,10 g/mol, Density (D) 1,95 g/cm³, CAS No. 10026-24-1, UN-Nr. 3077, EC No. 233-334-2, Empirical formula CoSO₄ · 7 H₂O