Share:

Monoammonium Phosphate Fire Extinguisher Refill

NH4H2PO4-based yellow powder with silica anti-caking agents for multipurpose ABC extinguishers. Inorganic formulation meets HTS 3813.00.10.00 for fire-extinguishing preparations.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

3105.30.00.00Lower: 25% vs 35%

If labeled as fertilizer diammonium phosphate

End-use as fertilizer shifts to chapter 31 fertilizers

3813.00.50.00Higher: 38.7% vs 35%

If for fire-extinguishing grenades with organic components

Grenade charges with organics use different subheadings

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

EPA registration may be required if marketed as pesticide-alternative suppressant

Ensure nitrogen-free certification for clean room applications