CAS nr. 6303-21-5

Hypophosphorous Acid

Hypophosphorous Acid (HPA), also known as Phosphinic Acid, is an inorganic compound. It is a colourless, hygroscopic, crystalline solid, which is moderately soluble in water.

ViVoChem carries Hypophosphorous Acid as a 50% solution. It is available for delivery in pallet cans or in bulk.


Hypophosphorous Acid can be delivered directly from stock. Upon receiving the order, the standard delivery time is 2-3 working days (Benelux). Would you like to export Hypophosphorous Acid? Delivery dates and port of receipt in consultation.

  • Available in Bulk, Pallet cans
  • Molecular formula H3PO2
  • CAS number 6303-21-5
  • UN number 3264
  • ADR class 8
  • ADR packing group 2
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The information shown on this page is not a statement as to the suitability of the product for any particular application. An end user must test the suitability of the product for his process against, among other things, the applicable laws and regulations and the use of the correct quality. Vivochem B.V. therefore does not accept any claims regarding this information.

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