Ammonium Difluoride
Ammonium difluoride (NH4HF2 variant) is used in beaker cleaning and synthetic fluoride production. It is a chemically defined simple fluoride salt of ammonium, qualifying as an 'other' fluoride under this tariff item.
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 |
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
• Verify the purity and chemical composition to ensure it meets the definition of a separate chemically defined compound
• Keep documentation of the manufacturing process
• Be aware of potential restrictions if used in cleaning products
Related Products under Tariff item 2826.19.00
Aluminum Fluoride Anhydrous
Anhydrous aluminum fluoride (AlF3), a white crystalline powder or granular solid used primarily as an electrolyte component in aluminum smelting. As a chemically defined inorganic fluoride, it falls under tariff item 2826.19.00 for 'other' fluorides.
Ammonium Bifluoride
Ammonium bifluoride ((NH4)HF2) is an inorganic acid salt used in industrial cleaning, oil well acidizing, and metal pickling. It is a chemically defined compound of ammonium and fluorine, falling under the 'other' fluorides of this tariff item.
Ammonium Fluoborate
Ammonium fluoborate (NH4BF4) is utilized in electroplating baths, explosives, and synthetic resins. It is a complex fluorine salt of ammonium, classified under 'other' fluorides in this tariff item.
Ammonium Fluoride
Ammonium fluoride (NH4F) is a white crystalline salt used in chemical synthesis, glass etching, and as a fluorine source in pharmaceuticals. It is a chemically defined fluoride of ammonium, falling under 'other' fluorides in this tariff item.
Ammonium Fluorosilicate
Ammonium fluorosilicate ((NH4)2SiF6) serves as a rodenticide, water fluoridation agent, and in ceramic production. It is a complex fluorine salt of ammonium, classified under 'other' fluorides in this tariff item.
Ammonium Fluorotitanate
Ammonium fluorotitanate ((NH4)2TiF6) acts as a catalyst in organic synthesis and titanium processing. It is a complex fluorine salt of ammonium, falling under 'other' fluorides in this tariff item.