Sulfide

Sulfide is an inorganic anion of sulfur with the chemical formula S²⁻ or a compound containing one or more S²⁻ ions. It contributes to the pungent odor of rotten eggs and is also responsible for the blackening of silverware. Sulfides are commonly found in the earth's crust and are a major part of the global sulfur cycle.

Chemical Properties

Sulfides are characterized by their strong odors, which are similar to that of hydrogen sulfide. They are generally insoluble in water but are soluble in organic solvents. Sulfides can react with acids to produce hydrogen sulfide gas.

Occurrence

Sulfides are found in many different types of geological formations, including sedimentary rocks, igneous rocks, and metamorphic rocks. They are also found in meteorites and in the atmosphere of planets and moons.

Uses

Sulfides are used in a variety of applications. They are used in the production of rubber, plastic, dyes, and pharmaceuticals. They are also used in the mining industry to extract metals from ores.

Health Effects

Exposure to sulfides can cause a variety of health effects, including respiratory problems, eye irritation, and skin irritation. In severe cases, exposure can lead to death.

See Also

• Sulfate
• Sulfite
• Sulfur cycle
• Hydrogen sulfide

Sulfide Resources
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