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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.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

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 product is pure ammonium bifluoride without added stabilizers that could change classification

• Declare the correct chemical name and CAS number to avoid delays

• Check if the product requires a permit under the Canadian Environmental Protection Act