Phosphorus pentachloride is a greenish-yellow crystalline Solid Chemical compound with an irritating odour. It is decomposed by water to form hydrochloric and phosphoric acid and heat.
The Chemical Formula for Phosphorus Pentachloride is PCl₅
Phosphorous Pentachloride can be prepared by the action of dry chlorine on phosphorus trichloride.
Properties of Phosphorus Pentachloride
|Appearance||Greenish-yellow crystalline solid|
|Molecular Weight/ Molar Mass||208.24 g/mol|
|Boiling Point||166.8 °C|
|Melting Point||160.5 °C|
|Other names||Phosphorus (V) chloride, Pentachloro Phosphorane|
Uses of Phosphorus Pentachloride – PCl5
- Used as a chlorinating agent
- Used as a catalyst in the manufacture of acetyl cellulose, the plastic film on which motion pictures are printed.
- It is used in the manufacturing of penicillin and cephalosporin.
- Used to produce acid chlorides.
Harmful effects of Phosphorus Pentachloride – PCl5
- It is corrosive to metals and tissue.
- Long-term exposure to Phosphorus Pentachloride by inhalation can result in adverse health effects.