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.
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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 lanthanum content equals or exceeds cerium
Other rare-earth compounds (e.g., lanthanum dominant) use 2846.90 subheading.
If spent or supported on inert carrier for catalysis
Catalyst preparations classify in 3815 when not purely chemically defined.
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Import Tips & Compliance
• Provide XRF analysis showing cerium as primary component
• Common pitfall: misdeclaration as pure lanthanum shifts duty
• Comply with EPA catalyst import rules
Related Products under HTS 2846.10.00
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.
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.
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.