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Zinc Sulfide (ZnS)

Zinc sulfide is a white to gray-white or pale yellow powder that exists naturally as a blend of two crystalline forms, an alpha (wurtzite) and a beta (sphalerite). When zinc sulfide contains water, it slowly oxidizes to sulfate on exposure to air but is stable if kept dry. Zinc Sulfide has a high refractive index (~2.35 at 500 nm) and a broad transmittance range from 400 nm to 14 µm.
Typical Chemical Composition

Zn= 67% min. and S= 32% min.

Other chemistries may be available upon request.

Typical Applications

The most important use of Zinc sulfide is as a pigment. Zinc sulfide is used as a semiconductor and in photo optic applications. It is used to prepare optical flexible transparent conductive coatings for various printed, electronic devices such as flexible displays and solar cells. Zinc sulfide is also used to make white glass, rubber, and plastics. It is an ingredient in pesticides, luminous paints, and X-ray and television screens.

Packaging Options

25 kg. net per multi-ply paper bags and bulk bags

Classification

Zinc Sulfide TSCA (SARA Title III) Status: Listed
For further information, please call the EPA Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902.

Zinc Sulfide CAS Number: 1314-98-3

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