Security of Supply and Operations

Our global network is here for you, even in uncertain times. At Univar Solutions, we are keeping pace with the latest market trends, regulatory shifts, sustainability goals and supply disruptions so we can support your organization's unique operational needs. Learn more about our commitment to securing your supply and operations.

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Hydrofluosilicic Acid (HFS) Supplier & Distributor banner image
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Hydrofluosilicic Acid (HFS or FSA)

Offering you a reliable supply of Hydrofluorosilicic acid

Today, hydrofluosilicic acid (HFS or FSA) is one of the most commonly used fluoridation methods for treating drinking water.  As a water supplier, you require the chemicals and support to ensure your water supply meets the health and environmental regulations set by your state or municipality.

Univar Solutions is one of the largest suppliers of HFS in the United States with more than 120 locations throughout the nation. Our offering includes both fertilizer-based phosphate produced as a by-product during the processing of phosphates as well high-purity HFS created as a by-product during the processing of high-purity quartz.

Rely on our private fleet, our team of technical experts, and our professional service at every touchpoint for your HFS needs.


Standard HFS

High-Purity HFS (liquid)


Yellow tone

Water white


Phosphate production- fertilizer based

High-purity quartz

Arsenic level (ppm)

10 to 50+ ppm

Below 5 ppm


  • Cement
  • Ceramics
  • Chemical intermediate
  • Electroplating
  • Laundry sour
  • Ore extraction
  • Sterilizing bottling equipment
  • Water fluoridation
  • Wood preservative

Sizes available

  • Bulk rail car
  • Bulk tank truck
  • Tote (IBC)
  • Drum
  • Pail