Phosphorus pentasulfide

Introduction: Phosphorus pentasulfide is an inorganic compound with the chemical formula P2S5. It is a yellow solid and stable when dry. However, it is hydrolyzed into phosphoric acid and hydrogen sulfide in water, so it has the smell of rotten eggs in the air.

Chemical formula: P2S5

Molecular weight: 222.273

CAS registration number: 1314-80-3

EINECS login number: 215-242-4

Melting point: 286 ℃

Boiling point: 514 ℃

Density: 2.09 g/cm ³

Appearance: yellow-green solid

APPLICATIONS

Phosphorus pentasulfide is an important raw material for pesticide synthesis. It can react with alcohol to obtain an important phosphorus-containing intermediate sulfide, which can be used to synthesize a variety of pesticides, such as dimethoate; Another kind of important phosphorus-containing intermediate chlorides can be obtained by chlorination of sulfides, which can also be used to synthesize a variety of pesticides, such as fenitrothion, phoxim, diazinon, etc. In addition, it can also be used as non-ferrous metal beneficiation agent, advanced lubricating oil additive, etc., as well as match manufacturing, pharmaceutical products and rubber vulcanization auxiliary agent.

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