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Ethofumesate 90% WDG Active Precursor

A 90% water-dispersible granule precursor of 2-ethoxy-2,3-dihydro-3,3-dimethyl-5-benzofuranylmethanesulfonate for formulating herbicides targeting annual grasses. HTS 2932.99.08.00 covers this pure compound as an aromatic heterocyclic pesticide per chapter notes.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+37.5%44%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

3824.99Lower: 17.5% vs 44%

If mixed with anticaking agents beyond preservation needs

Excess additives render it a prepared chemical mixture under 3824, not pure Chapter 29 compound.

2932.20.50Lower: 16.2% vs 44%

If lactones rather than dihydrobenzofurans

If ring structure interpreted as lactone, it shifts to earlier oxygen heterocyclic lactone subheading.

3808.93.15.00Same rate: 44%

If post-formulation as complete weed killer

Ready-to-use herbicide formulations classify under Chapter 38 pesticide headings.

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

• Certify granule size and dispersibility for EPA review; avoid emetic additions that alter safety classification

• Use DOT-approved pesticide labeling

• Monitor for Chapter note (f) stabilizers