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Diquat Dibromide Algaecide-Herbicide

Diquat dibromide is a contact herbicide and algaecide for submerged weeds and planktonic algae in ornamental ponds. Retail quart containers for homeowners. HTS 3808.93.50 as other herbicide preparation.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5%+37.5%42.5%
🇲🇽Mexico5%+10.0%15%
🇨🇦Canada5%+10.0%15%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

3808.94.10Higher: 44% vs 42.5%

If primary claim is disinfection of water systems

Water treatment disinfectants separate from herbicidal weed control.

2933.52Lower: 12.5% vs 42.5%

If pure quaternary ammonium compound without formulation

Bulk chemical falls under organo-inorganic compounds, not preparations.

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

• Separate hazardous materials declarations for quick port processing

• Verify child-resistant packaging certification for retail pesticide imports