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SITCSection 5
U.S. imports of inorganic bases, metal oxides, hydroxides, and peroxides, n.e.s. (SITC 52269) totaled $77.6M in April 2026, traded with 36 countries.
Importers of Inorganic Bases, Metal Oxides, Hydroxides, and Peroxides, N.E.S. paid $4.4M in duties in April 2026 — an effective duty rate of 8.9% on $49.5M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataServing as a residual catch-all for inorganic bases and metal oxygen compounds not enumerated elsewhere, this heading encompasses a commercially diverse range of materials — from lithium hydroxide used in battery electrolytes and lubricating greases to cobalt and nickel oxides used in ceramics and catalysts. The 'not elsewhere specified' character of the heading means that classification disputes are common: importers must demonstrate that the specific compound does not fall under a more specific heading before claiming this residual category. Lithium hydroxide in particular has attracted significant trade attention given its role in lithium-ion battery supply chains and associated Section 301 exposure for Chinese-origin material.
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Classification in the NES heading is only appropriate after confirming the compound is not covered by a named heading for aluminum, magnesium, potassium, or other specifically enumerated metals. A licensed customs broker or a binding ruling request to CBP can resolve ambiguous cases, particularly for less common transition-metal hydroxides or mixed-oxide compounds.
Lithium hydroxide monohydrate is a critical input for high-nickel cathode active materials in electric-vehicle batteries, and a significant share of global refining capacity is concentrated in China. Imports of battery-grade lithium hydroxide from China are subject to Section 301 tariffs, prompting manufacturers to evaluate alternative sources in Chile, Australia, and other producing regions to manage cost and supply continuity.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| LUXEMBOURG | -- | $50.3M | +$50.3M |
| CANADA | $16.6M | $1.1M | -$15.4M |
| JAPAN | $1.5M | $15.3M | +$13.9M |
| KOREA, SOUTH | $10.2M | $5.2M | -$5.0M |
| BELGIUM | $7.0M | $6.1M | -$845K |
Monthly import values over time