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Technical-Grade Lithium Hydroxide

Technical-grade lithium hydroxide (92-98% purity) is used for pH adjustment in wastewater treatment and as a raw material in specialty chemicals. Even at lower purity, it remains a separate chemically defined compound of lithium hydroxide and is classified under tariff item 2825.20.00.

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:

Alternative Classifications

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

2825.90.00Same rate: Free

If the impurities are significant enough to make it a preparation

Lithium hydroxide with substantial impurities may be classified under other inorganic bases.

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

• Clearly state the purity (92-98%) and the presence of any impurities on the invoice

• Verify if the product meets Canadian environmental standards for wastewater treatment use

• Keep documentation of the chemical composition for customs verification

Related Products under Tariff item 2825.20.00

Anhydrous Lithium Hydroxide

Anhydrous lithium hydroxide (LiOH) is a white, hygroscopic powder used in grease manufacturing, CO2 scrubbing systems, and as a flux in ceramics. It is a separate chemically defined inorganic compound of lithium, falling squarely under tariff item 2825.20.00 as lithium hydroxide.

Battery-Grade Lithium Hydroxide

Battery-grade lithium hydroxide is a high-purity (>99.5%) form of LiOH specifically optimized for producing nickel-manganese-cobalt (NMC) cathodes in electric vehicle batteries. As a chemically defined lithium hydroxide compound, it is classified under tariff item 2825.20.00 regardless of its specialized application.

High-Purity Lithium Oxide

High-purity lithium oxide (Li₂O) is a white powder used in specialty glass for optical fibers and as a dopant in ferroelectric ceramics. As a separate chemically defined compound of lithium, it is classified under tariff item 2825.20.00 as lithium oxide.

Lithium Hydroxide for Grease Production

Lithium hydroxide flakes for grease production are a form of LiOH designed for high-temperature lithium complex grease manufacturing. Despite the specialized application, the product remains a chemically defined lithium hydroxide and is classified under tariff item 2825.20.00.

Lithium Hydroxide Monohydrate

Lithium hydroxide monohydrate (LiOH·H₂O) is a crystalline powder used in lithium-ion battery cathodes and as a precursor for lithium salts. As a hydrate of lithium hydroxide, it is classified under tariff item 2825.20.00 as lithium hydroxide.

Lithium Hydroxide Solution 10%

A 10% aqueous solution of lithium hydroxide is used for pH control in chemical processing and leather tanning. Under Chapter 28 Note 1(b), solutions of separate chemically defined compounds in water are classified in the same heading as the compound, so this falls under tariff item 2825.20.00.