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O,O-Diethyl S-[2-(diethylamino)ethyl] phosphorothioate

A specific organo-sulfur compound classified under HTS 2930.90.92.08 as an organo-phosphorus thioester with sulfur directly linked to carbon. This chemical is a separate chemically defined organic compound used in pesticide synthesis and falls within Chapter 29 heading 2930 for other organo-sulfur compounds.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+108.8%112.5%
🇲🇽Mexico3.7%+106.3%110%
🇨🇦Canada3.7%+106.3%110%
🇩🇪GermanyFree+21.3%21.3%
🇯🇵JapanFree+23.8%23.8%

Alternative Classifications

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

2931Lower: 16.2% vs 112.5%

If containing additional nonmetal or metal atoms directly linked to carbon beyond sulfur

Organo-inorganic compounds with other heteroatoms fall under heading 2931 rather than organo-sulfur 2930.

3808.59.50.00Lower: 17.5% vs 112.5%

If imported as a formulated pesticide containing this active ingredient

Finished insecticides or rodenticides are classified in Chapter 38 based on end-use, not as pure chemicals.

2930.90Same rate: 112.5%

If classified under other specific organo-sulfur compounds listed separately

Chapter notes require classification in the most specific subheading when multiple organo-sulfur provisions apply.

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

• Verify chemical purity and provide Certificate of Analysis (CoA) to confirm identity as the exact compound listed in 2930.90.92.08

• Comply with EPA TSCA registration and chemical import notification requirements due to potential pesticide precursor status

• Avoid misclassification as a pesticide finished product; ensure documentation shows it's a bulk chemical intermediate