Wintrol® B Benzotriazole (BTA, BTZ)

Benzotriazole is a corrosion inhibitor of high purity, most commonly used in yellow metal protection. Wintrol® B products are available as solids, salts and dissolved in glycols/alcohols. Solid benzotriazole products are off white to light yellow with very low odor. Wintrol® B is used as a vapor phase inhibitor and preferred for use in direct treatment of copper. Benzotriazole has a higher solubility in water than tolyltriazole, which aids in formulating.


CAS#: 95-14-7

Wintrol® B – Benzotriazole is commonly used in:

  • Water Treatment
  • Engine Coolants
  • Metalworking Fluids
  • Lubricants
  • Compressor Fluids
  • Deicers
  • Inks
  • Cleaners
  • Direct Treatment of copper and yellow metals

The Wintrol-B line of Benzotriazole products are available in solids, salt solutions, and in glycols and alcohols. Explore our full line of products below: