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Ammonium Stearate

Ammonium stearate is an amine salt of stearic acid used as a fabric softener intermediate and concrete release agent. It falls under HTS 2915.70.0150 as 'other' stearic acid salts.

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.

3824.40Lower: 17.5% vs 42.5%

If prepared anti-caking or dust control agents

Industrial preparations with ammonium stearate function-based classification.

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

• Declare ammonia content and pH for aqueous paste forms

• Provide thermal decomposition data for processing safety

• Ensure proper ventilation labeling for amine emissions