Ferrous Sulphide LR 500G Griffchem.

Color: Grey-black, metallic appearance.

Form: Supplied in sticks or lumps (convenient for laboratory use).

Odour: Odourless in pure form.

Solubility: Insoluble in water; reacts with acid (forming hydrogen sulfide, H₂S).

Mainly used in high-school and college laboratory experiments, particularly to produce hydrogen sulfide (H₂S) when treated with acid.

Shows properties of a transition metal sulfide.

Also used to demonstrate reaction between metal and nonmetal in education.