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Tri-n-butylamine

Tri-n-butylamine ((C4H9)3N) is a tertiary tri-butylamine explicitly listed under HTS 2921.19.11.00. Employed as an antifoaming agent.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+133.8%137.5%
🇲🇽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.

3824Lower: 17.5% vs 137.5%

If with odoriferous substances added per note (g)

Additives for identification that alter use profile shift to preparations.

2933.39.61Lower: 19% vs 137.5%

If containing quaternary ammonium structure

Quaternized amines with four alkyl groups classified as heterocyclics in 2933.

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

• Confirm straight-chain n-butyl via boiling point specs (98-100°C/10mmHg)

• Low odor grade preferred; declare VOC content

• Large volume imports may need vessel cleaning certificates