New

Ask Wove anything about tariffs.

Try Tariff Assistant

Benzonitrile Sulfonic Acid

Benzonitrile sulfonic acid is an aromatic nitrile with sulfonic acid substituent on benzene ring. It qualifies for HTS 2926.90.43.00 as an 'other' aromatic nitrile per additional U.S. note 3 to section VI, maintaining nitrile as principal function.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+131.0%137.5%
🇲🇽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.

2904.10Lower: 16.7% vs 137.5%

If sulfonic acid function predominates

Sulfonated aromatic derivatives classified by earliest occurring function per chapter notes.

2926.90Same rate: 137.5%

If non-note 3 aromatic nitriles

General 'other' aromatic nitriles if not qualifying for note 3 listing.

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

• Test for sulfonated derivative status per chapter note to avoid Chapter 28 inorganic acid classification

• Include wastewater treatment plan documentation for environmental compliance