ACS Reagent Potassium Stannate from United States
Potassium stannate (K2SnO3) is a white crystalline powder used in electroplating solutions for corrosion-resistant tin coatings. As a salt of stannic acid, it is classified under tariff item 2841.90.00 for other salts of oxometallic acids.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is labeled with its CAS number (12142-33-5) and purity
• If the product is for electroplating, confirm it is not a prepared plating solution of Chapter 38
• Provide the SDS and certificate of analysis for customs