Cerium Oxide (CeO2) Powder
High-purity cerium oxide powder, primarily CeO2, used as a polishing agent for glass and semiconductors. It falls under HTS 2846.10.00 as a chemically defined cerium compound from the rare-earth metals group. This inorganic compound is essential in precision polishing applications.
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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.
If antimony-containing or used primarily as a catalyst
Antimony oxides or compounds may shift to Chapter 28 antimony heading if cerium content is secondary.
If formulated as a ready-to-use polishing paste for retail sale
Refractory cements or prepared polishing mixtures fall under heading 3816 when not purely chemically defined.
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Import Tips & Compliance
• Verify purity levels and provide chemical composition certificates to confirm classification as a cerium compound
• Ensure packaging prevents moisture absorption during transit
• Be aware of REACH-like regulations for rare-earth imports
Related Products under HTS 2846.10.00
Cerium Chloride (CeCl3) Anhydrous
Anhydrous cerium(III) chloride, CeCl3, used in chemical synthesis and as a precursor for cerium-based materials. Classified under HTS 2846.10.00 for cerium compounds as rare-earth metal salts. It meets Chapter 28 definitions for inorganic rare-earth compounds.
Cerium Nitrate Hexahydrate
Cerium(III) nitrate hexahydrate (Ce(NO3)3·6H2O), a soluble salt used in catalysis and ceramics production. It is a cerium compound under HTS 2846.10.00 per Chapter 28 notes for rare-earth salts. Common in specialty chemical manufacturing.
Cerium Acetylacetonate
Cerium(III) acetylacetonate, an organometallic cerium compound used in sol-gel processing and thin-film deposition. Falls under HTS 2846.10.00 as it includes organic compounds of rare-earth metals like cerium. Stable coordination complex for advanced materials.
Mixed Cerium Lanthanum Oxide
Calcined cerium-lanthanum oxide (CeO2-La2O3 mix), used as a catalyst support in automotive exhaust systems. Classified in HTS 2846.10.00 for dominant cerium rare-earth compounds. Meets subheading for cerium despite mixture.
Cerium Fluoride (CeF3)
Cerium trifluoride (CeF3) powder, applied in phosphors and optical coatings. It is a cerium compound under HTS 2846.10.00 as an inorganic rare-earth fluoride. Excluded from optical elements per Chapter Note 7h.
Cerium Sulfate Octahydrate
Cerium(IV) sulfate octahydrate used in analytical chemistry and water treatment. Classifies as cerium compound in HTS 2846.10.00 per rare-earth provisions. Oxidizing agent in lab applications.