Phosphorus Oxychloride

Phosphorus Oxychloride (POCl3) is a water-reactive, air-reactive, corrosive, colorless fumng liquid that has a pungent odor. It is highly toxic by inhalation and it is used in gasoline additives and hydraulic fluids. Even though it is not flammable, we still recommend a secure chemical storage building or container that meets specific regulations for storing Phosphorus Oxychloride. That’s why we suggest one of the following: CHEMLoc, DRUMLoc

Phosphorus Oxychloride Storing Details

  • Flammable Details: Non-flammable
  • Storage Details: Keep separated from incompatible substances. Store and handle in accordance with all current regulations and standards. Store in compliant chemical storage building.
  • Compatible Details: Incompatible with many metals, alcohols, amines, phenol, DMSO, strong bases.
  • Description: Phosphoryl chloride is a colourless liquid with the formula POCl3. With the freezing point of 1 °C and boiling point 106 °C, the liquid range is very similar to water.
  • Classification: CLASS 8
  • Brand Name: n/a

Phosphorus Oxychloride Properties

Formula Density Boiling Point; IUPAC ID Molar Mass Soluble In Melting Point
POCl3 1.64 g/cm³ 222.°F (105.°C) Phosphoryl trichloride, Phosphorus trichloride oxide 153.33 g/mol Water-Reactive 34.2°F (1.2°C)




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