Skip to content
Contact Now

Wholesale Phosphite Chemicals

Request a Quote
Phosphorous acid; Phosphonic Acid; Orthophosphorous Acid; H₃PO₃, CAS 13598-36-2 White to yellowish deliquescent crystals

Phosphorous acid

Formula: H₃PO₃
Phosphonic Acid; H3PO3; Orthophosphorous Acid
CAS:13598-36-2

Phosphorous acid is a reducing agent used in agrochemicals, water treatment, and industrial synthesis.

Common Applications
  • Agriculture
  • Water Treatment