Manganese Oxide Nanoparticles
Nano-sized manganese dioxide particles (<100nm) for catalysts in chemical reactions and water treatment. Falls under HTS 2820.90.00.00 as other manganese oxides, chemically defined despite nanoscale form. Used in advanced oxidation processes for pollutant degradation.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If surface-modified or stabilized for specific applications
Organically stabilized or complexed nanoparticles are organo-inorganic compounds excluded to Chapter 38.
If phosphide-doped for electronics
Doped forms like copper phosphide with Mn exceed 15% P, falling under 2853 per chapter note.
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Import Tips & Compliance
• Submit particle size distribution reports to CBP to confirm pure compound status vs. nanomaterial preparations
• Comply with EPA nanomaterial reporting under TSCA for imports exceeding certain volumes
• Package in inert atmospheres if sensitive; document to avoid reclassification as unstable reactive under hazmat rules
Related Products under HTS 2820.90.00.00
Manganese Dioxide (MnO2) Powder
High-purity manganese dioxide powder used in the production of dry-cell batteries like alkaline and zinc-carbon types. It falls under HTS 2820.90.00.00 as an 'other' manganese oxide, chemically defined as a metal oxide in Chapter 28. This inorganic compound serves as a depolarizer in battery cathodes.
Electrolytic Manganese Dioxide (EMD)
Electrolytic manganese dioxide (EMD), a high-purity form produced via electrolysis, primarily for lithium-ion and alkaline battery cathodes. Classified under HTS 2820.90.00.00 as other manganese oxides, it is a chemically defined inorganic compound per Chapter 28 Note 1. Its gamma crystal structure enhances battery performance.
Synthetic Manganese(IV) Oxide for Ceramics
Synthetic MnO2 used as a colorant and flux in ceramic glazes and tiles, providing black-brown hues. It is classified in HTS 2820.90.00.00 as other manganese oxides, fitting Chapter 28 for inorganic metal oxides. Not excluded as a luminophore or glass frit per chapter notes.
Trimanganese Tetraoxide (Mn3O4) Powder
Mn3O4, or trimanganese tetraoxide, used in ferrites for magnetic applications and as a sintering aid. Classified under HTS 2820.90.00.00 as other manganese oxides, a mixed-valence inorganic compound in Chapter 28. Provides magnetic properties in soft ferrites.