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
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If labeled as fertilizer diammonium phosphate
End-use as fertilizer shifts to chapter 31 fertilizers
If for fire-extinguishing grenades with organic components
Grenade charges with organics use different subheadings
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
• EPA registration may be required if marketed as pesticide-alternative suppressant
• Ensure nitrogen-free certification for clean room applications
Related Products under HTS 3813.00.10.00
ABC Dry Chemical Fire Extinguisher Powder
A mixture of monoammonium phosphate, ammonium sulfate, and silica-based flow agents used as a charge for ABC multi-class fire extinguishers. This preparation consists wholly of inorganic substances like phosphates, sulfates, and silicates, classifying it under HTS 3813.00.10.00 as a fire extinguisher charge.
Potassium Bicarbonate Fire Suppression Powder
Fine powder of KHCO3 with inorganic fillers for Class B and C fire extinguishers, effective on flammable liquids and electrical fires. Wholly inorganic composition qualifies it for HTS 3813.00.10.00 as a prepared charge.
Sodium Bicarbonate BC Dry Powder Charge
Prepared charge of NaHCO3 with inorganic extenders for BC-rated fire extinguishers targeting flammable liquids and energized equipment. Entirely inorganic, fitting HTS 3813.00.10.00 criteria.
Diammonium Phosphate Multipurpose Powder
(NH4)2HPO4 dry chemical mix for portable extinguishers, wholly inorganic for Class A/B/C fires. Prepared specifically as fire charge under HTS 3813.00.10.00.
Boron Compound Fire Suppressant Powder
Sodium borate and boric acid mixture for specialized magnesium fire extinguishers, entirely inorganic. Qualifies as fire charge preparation in HTS 3813.00.10.00.
Magnesium Fire Class D Extinguishing Powder
Sodium chloride-based powder with inorganic modifiers for combustible metal fires (Class D). Wholly inorganic preparation for HTS 3813.00.10.00.