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Zinc Sulfide
Physical Description
Descriptions:
- Zinc sulfide appears as a yellowish-white powder in a liquid. Insoluble in water and denser than water. Primary hazard is to the environment. Immediate steps should be taken to limit spread to the environment. Easily penetrates the soil to contaminate groundwater and nearby waterways.
- Other solid; Dry powder; Pellets or large crystals
Color/Form: Exists in two crystalline forms, alpha (wurtzite) and beta (sphalerite)
Molecular Information
Molecular Formula:
SZn
Molecular Weight:
97.4 g/mol
Core Physical Values
Density: 4.04 g/cm³
Melting Point: 1700 °C
Solubilities
Decomposition
- When containing water, it slowly oxidizes in air to sulfate
- When heated kto decomposition it emits toxic vapors of zinc and /sulfur oxides/.
Other Properties
Refractive Index: 2.356
Chemical Classes:
- Cosmetics
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