Tolyltriazole Flake Form TTA-99 from Canada
Tolyltriazole flakes (TTA-99, CAS 29385-43-1) designed for easy dissolution in industrial formulations. Used extensively in closed-loop cooling water systems to protect copper alloys. Falls under HTS 2933.99.82.20 as the specific tolyltriazole compound with permitted stabilizer per chapter note (f).
Duty Rate — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Document stabilizer type and concentration (<2%) to qualify under chapter note (f) for pure compound status
• Use UN-approved packaging for corrosive solid; improper packaging causes common entry delays
• Provide downstream handler certifications to demonstrate legitimate industrial chemical use