Thorium Oxide Powder (ThO2)

High-purity thorium dioxide powder used in gas mantles and nuclear fuel research. As a compound of thorium, it qualifies under HTS 2844.30.5050 for 'other' forms in this subheading. Chapter 28 covers such inorganic compounds of radioactive elements like thorium.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5%5%
🇲🇽Mexico5%5%
🇨🇦Canada5%5%
🇩🇪Germany5%5%
🇯🇵Japan5%5%

Alternative Classifications

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

2844.20.00Higher: 7.5% vs 5%

If derived from monazite or other thorium ores

Uranium/thorium ores and concentrates go to Chapter 26, not refined compounds.

3824.99Higher: 15% vs 5%

If mixed with organic substances or as lab reagent

Organo-inorganic mixtures or prepared chemical reagents fall outside pure Chapter 28 compounds per chapter notes.

2844.10.10.00Higher: 30% vs 5%

If alloyed with fissile materials

Mixtures with fissile elements like enriched uranium classified under fissile headings.

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Import Tips & Compliance

Submit EPA waste manifest if contaminated; declare exact thorium content for DOT hazmat shipping; verify no organic stabilizers to avoid Chapter 29 reclassification