(FeSO₄·7H₂O) [7720-78-7] H₁₄FeO₁₁S (MW 278.06)

InChI = 1S/Fe.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2

InChIKey = SURQXAFEQWPFPV-UHFFFAOYSA-L

(reductive cleavage of N–O bonds;^2-14 Skraup synthesis;¹⁵ carboxylation of aromatic bases¹⁷)

Alternate Name: ferrous sulfate.

Physical Data: mp 300 °C (−7H₂O); bp dec 671 °C; d 1.89 g cm⁻³; refractive index 1.471.

Solubility: sol water (48 g/100 mL); slightly sol ethanol; sol methanol.

Form Supplied in: light blue or light green crystals; many commercial sources.

Handling, Storage, and Precautions: air and moisture sensitive; keep in a tightly closed container. Incompatible with strong oxidizing agents; irritant; ingestion may be lethal.¹⁸