Is Zinc sulfide toxic?

Zinc sulfide is toxic, corrosive and irritating to skin. A large amount of zinc entering the human body can cause dizziness, vomiting, and diarrhea.

White to grayish white or light yellow powder. The color of the light darkens. It is stable in dry air, and gradually oxidizes to Zinc sulfate when it is kept in wet air for a long time or contains moisture. Soluble in dilute Mineral acid, soluble in alkali, insoluble in water. Relative density 3.98（ α Type), (d25) 4.102（ β Type). Irritating.