Phosphorus oxychloride

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Phosphorus oxychloride
Chemical formula {{#Chem:POCl3}}
OTP appearance clear fuming liquid 
Molar Mass(g/mol) 153.33 
Density(g/cc) 1.645 
Melting Point(°C) 1.25 
Boiling Point(°C) 105.8 
Solubility in water(g/L) reacts
NFPA 704
0
3
2
W

Uses

Justification Questioned

Other

  • Reacts to form phosphate esters / organophosphates such as triphenylphosphate
    {{#Chem:POCl3 + 3 PhOH → P(O)(OPh)3 + 3 HCl}}

Natural occurrence

  • Does not occur naturally

Hazards

Character

Production

Synthesis

  • with oxygen
    {{#Chem: 2PCl3 + O2 = 2POCl3}}
  • with chlorate
    {{#Chem:3 PCl3 + KClO3 → 3 POCl3 + KCl}}
  • with water
    {{#Chem:PCl5 + H2O = POCl3 + 2HCl}}

from phosphorus pentoxide

Testing

Purification

Storage

Disposal

See Also

References