Diammonium Phosphate Multipurpose Powder
Diammonium phosphate dry chemical mix for portable extinguishers, wholly inorganic and prepared specifically as a fire charge. This product is used for Class A/B/C fires and falls under tariff item 3813.00.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the diammonium phosphate is sold as a fertilizer rather than a fire-extinguisher charge.
Diammonium phosphate as a fertilizer falls under heading 31.05.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the powder is packaged as a fire-extinguisher charge and not as a fertilizer, which would fall under a different heading
• Verify that the product meets Canadian standards for fire extinguisher agents
• Provide the CBSA with a product specification sheet to support classification
Related Products under Tariff item 3813.00.00
ABC Dry Chemical Fire Extinguisher Charge
Powdered mixture containing monoammonium phosphate, ammonium sulfate, and silica flow agents, pre-packaged for charging ABC multi-class fire extinguishers. This preparation is specifically formulated for fire-extinguishing use, falling under tariff item 3813.00.00.
ABC Dry Chemical Fire Extinguisher Powder
A dry chemical fire extinguisher powder consisting of monoammonium phosphate, ammonium sulfate, and silica-based flow agents. This preparation is specifically formulated as a charge for ABC multi-class fire extinguishers, making it classifiable under tariff item 3813.00.00 as a preparation for fire-extinguishers.
BC Dry Chemical Powder for Fire Extinguishers
Sodium bicarbonate-based powder with performance enhancers for Class B and C fires, supplied in bulk bags or canisters for extinguisher recharging. This preparation falls under tariff item 3813.00.00 as a charge for fire-extinguishers.
Boron Compound Fire Suppressant Powder
A fire suppressant powder made from sodium borate and boric acid, designed for specialized magnesium fire extinguishers. This entirely inorganic preparation is used as a charge in fire-extinguishing equipment, qualifying for tariff item 3813.00.00.
Carbon Dioxide Fire Grenade Charge
Liquefied carbon dioxide contained in glass grenade ampoules for automatic fire suppression in kitchens. This product is a charged fire-extinguishing grenade, explicitly covered by tariff item 3813.00.00.
Charged Fire-Extinguishing Grenade (Powder Filled)
Glass or plastic grenade containing ABC dry powder with pull-pin fuse for manual throwing at fire sources. This product is explicitly covered by tariff item 3813.00.00 as a charged fire-extinguishing grenade.