New

Ask Wove anything about tariffs.

Try Tariff Assistant

Tolyltriazole Flake Form TTA-99

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).

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+106.0%112.5%
🇲🇽Mexico6.5%+103.5%110%
🇨🇦Canada6.5%+103.5%110%
🇩🇪GermanyFree+18.5%18.5%
🇯🇵JapanFree+21.0%21%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3820.00.00.00Lower: 26.5% vs 112.5%

If sold as anti-scaling additive premix

Premixed water treatment chemicals containing tolyltriazole classify as preparations of Chapter 38.

2930.90Lower: 16.2% vs 112.5%

If contains organo-sulfur impurities >1%

Chapter note excludes sulfur-linked compounds from heading 2933; shifts to organo-sulfur heading 2930.

2940.00.60.00Higher: 137.5% vs 112.5%

If derivatized as sugar ether for specialty application

Sugar-modified derivatives specifically excluded to heading 2940 per chapter note (c).

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• 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