Phosphorus oxychloride SOLAR GRADE (POCl3)

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PCC Rokita SA / Phosphorus Chemistry Business Unit
Phosphorus oxychloride SOLAR GRADE (POCl3)
Phosphorus oxychloride SOLAR GRADE (POCl3)
Phosphorus oxychloride SOLAR GRADE (POCl3)
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Inventory status General terms of sale
ISO 14001 ISO 14001 ISO 50001 ISO 50001 ISO 9001 ISO 9001 ISO 45001 ISO 45001
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Phosphorus oxychloride (POCl3) is a colourless liquid with a very characteristic, pungent odour. It easily hydrolyses to phosphoric acid and hydrogen chloride, which is accompanied by the emission of fumes.

The reaction of phosphorus oxychloride with water is very violent. Due to the high exothermicity of the process and the release of large amounts of suffocating hydrogen chloride, phosphorus oxychloride should be transported and stored in sealed packaging, protected against moisture and water.

The product has strong corrosive properties, which affects the type of packaging in which it should be stored and transported. The packaging should be made of a suitable material, preferably specific grade steel, Teflon or glass. It is very important to use personal protective equipment when working with phosphorus oxychloride, because direct contact causes skin burns. The product should be protected against both too high temperatures (due to the high vapour pressure of the substance) and too low temperatures (because it begins to solidify at temperatures below 1°C). 

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Properties and applications

Advantages of the product:

  • very high purity of the product,
  • high reactivity,
  • very low content of metals in the composition (up to 1 ppm),
  • high product stability and efficiency in the production process (especially in the production of n-type emitters),
  • very wide range of applications.



  • synthesis of high purity compounds,
  • production of optical glasses,
  • chemical reagents,
  • pharmaceutical industry.  

Markets and applications
Chemical reagents
Electronic industry / Semiconductors
Raw materials and intermediates

Raw materials & intermediates

Inorganic phosphorus compounds

Chloralkali, raw materials and intermediates
Specialty Products / Specialty additives

Alternative names
Phosphorus oxychloride, Phosphoryl Trichloride, Phosphorus Oxide Trichloride, POCl3, CAS 10025-87-3.

Manufacturer: PCC Rokita SA

PCC Rokita SA is one of the largest chemical companies in Poland as well as Central and Eastern Europe. Its activity includes the production of chloroalkali, polyether polyols, polyalkylene glycols and phosphorus derivatives.

PCC Group

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