Cerium compounds
Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals. > Cerium compounds > Cerium compounds
Duty Rate (from China)
Products classified under Tariff item 2846.10.00.00
Ceric Ammonium Nitrate (CAN) Precursor Oxide
Cerium oxide processed as a precursor for ceric ammonium nitrate is a chemically defined cerium compound used in organic synthesis and glass polishing. It is classified under tariff item 2846.10.00 as a cerium compound, per Chapter 28 Note 1(a) for separate chemically defined compounds.
2846.10.00Cerium Acetylacetonate
Cerium(III) acetylacetonate is an organometallic cerium compound used in sol-gel processing and thin-film deposition. It is classified under tariff item 2846.10.00 as an organic compound of a rare-earth metal, specifically cerium, per Chapter 28 Note 2 which includes organic products of rare-earth metals in this chapter.
2846.10.00Cerium Ammonium Nitrate
Cerium ammonium nitrate is a double salt of cerium and ammonium, used as an oxidizing agent in organic synthesis. It is classified under tariff item 2846.10.00 as a cerium compound, and per Chapter 28 Note 5, double salts of rare-earth metals are included in this heading.
2846.10.00Cerium Carbonate Hydrate
Cerium carbonate hydrate is a basic cerium compound used in glass decolorizing and polishing applications. It falls under tariff item 2846.10.00 as a cerium compound, and Chapter 28 Note 2 permits carbonates of inorganic bases of rare-earth metals in this chapter.
2846.10.00Cerium Chloride (CeCl3) Anhydrous
Anhydrous cerium(III) chloride is a rare-earth metal salt used in chemical synthesis and as a precursor for cerium-based materials. It is classified under tariff item 2846.10.00 as a cerium compound, meeting the Chapter 28 definition of separate chemically defined compounds.
2846.10.00Cerium Dioxide Catalyst Grade
Cerium dioxide in nanoparticulate form optimized for automotive catalytic converters is a chemically defined cerium compound. It is classified under tariff item 2846.10.00 as a cerium compound, as particle size and optimization do not change its chemical definition per Chapter 28 Note 1(a).
2846.10.00Cerium Fluoride (CeF3)
Cerium trifluoride powder is an inorganic cerium compound used in phosphors and optical coatings. It is classified under tariff item 2846.10.00 as a cerium compound, and Chapter 28 Note 3(h) excludes only optical elements, not powders, from this chapter.
2846.10.00Cerium Fluoride (CeF3) Crystals
Cerium Fluoride (CeF3) Crystals are synthetic crystals used in optical coatings and laser components. They are classified under tariff item 2846.10.00 as an inorganic compound of cerium, distinct from alkali fluorides per Chapter 28 notes. The crystals are chemically defined and not excluded by Chapter 28 note 3, as they are not optical elements of Chapter 90.
2846.10.00Cerium Iodide (CeI3) Powder
Cerium Iodide (CeI3) Powder is a scintillator material used in radiation detectors. It is classified under tariff item 2846.10.00 as an 'other' inorganic compound of cerium, meeting the chemically defined criteria of Chapter 28. The product is not a luminophore of heading 32.06, as it is used for radiation detection rather than light emission.
2846.10.00Cerium(IV) Oxide Powder (CeO2)
High-purity cerium(IV) oxide powder, also known as ceria, is used as a polishing agent for glass and semiconductor surfaces. It is classified under tariff item 2846.10.00 as a cerium compound, meeting the Chapter 28 definition of a separate chemically defined compound.
2846.10.00Cerium Nitrate Hexahydrate
Cerium(III) nitrate hexahydrate is a soluble cerium salt used in catalysis and ceramics production. It is classified under tariff item 2846.10.00 as a cerium compound, meeting the Chapter 28 criteria for separate chemically defined compounds of rare-earth metals.
2846.10.00Cerium Nitrate Hexahydrate (Ce(NO3)3·6H2O)
Cerium Nitrate Hexahydrate (Ce(NO3)3·6H2O) is a crystalline cerium nitrate used as a catalyst precursor and in specialty glass manufacturing. It is classified under tariff item 2846.10.00 as an inorganic compound of cerium, a rare-earth metal, meeting Chapter 28 definitions. The hydrated form is a chemically defined compound with water of crystallization, which is acceptable under Chapter 28 note 1.
2846.10.00Cerium Oxide (CeO2) Polishing Powder
Cerium Oxide (CeO2) Polishing Powder is a high-purity cerium oxide powder used for precision polishing of glass surfaces in optical lenses and displays. It falls under tariff item 2846.10.00 as a chemically defined inorganic compound of the rare-earth metal cerium. The product is not prepared as a polishing preparation, as it contains no added binders or abrasives.
2846.10.00Cerium Oxide (CeO2) Powder
High-purity cerium oxide powder (CeO2) is a chemically defined inorganic compound of cerium, used as a polishing agent for glass and semiconductors. It is classified under tariff item 2846.10.00 as a cerium compound, per Chapter 28 Note 1(a) for separate chemically defined compounds.
2846.10.00Cerium Sulfate Octahydrate
Cerium(IV) sulfate octahydrate is an oxidizing agent used in analytical chemistry and water treatment. It is classified under tariff item 2846.10.00 as a cerium compound, meeting the Chapter 28 definition of a separate chemically defined compound of a rare-earth metal.
2846.10.00Fuel Cell Grade Cerium Oxide Electrolyte
Dense cerium oxide powder for solid oxide fuel cell electrolytes, doped with gadolinium, is a cerium compound. It is classified under tariff item 2846.10.00 as a cerium compound, as the base material is cerium oxide and the doping does not change its classification per Chapter 28 Note 1(a).
2846.10.00High-Purity Cerium Oxide 99.999% (5N)
Ultra-high purity (5N) cerium oxide is used in semiconductor polishing slurries and optical coating deposition. It is classified under tariff item 2846.10.00 as a cerium compound, with impurities below 10 ppm, meeting the Chapter 28 definition of a separate chemically defined compound.
2846.10.00Mixed Cerium Lanthanum Oxide
Mixed cerium-lanthanum oxide is a calcined mixture of cerium and lanthanum oxides, used as a catalyst support in automotive exhaust systems. It is classified under tariff item 2846.10.00 as a cerium compound, as the dominant rare-earth metal is cerium, and Chapter 28 Note 1(a) covers mixtures of chemically defined compounds.
2846.10.00Nanocrystalline Cerium Dioxide
Nanocrystalline Cerium Dioxide consists of nano-sized CeO2 particles used in catalytic converters and UV blockers. It remains under tariff item 2846.10.00 as chemically defined cerium oxide, as particle size does not change classification unless the product is prepared for a specific use. The product meets Chapter 28 note 1 criteria, with no added substances that render it particularly suitable for a specific use.
2846.10.00Nanoparticulate Cerium Dioxide
Nanoparticulate cerium dioxide consists of cerium oxide particles smaller than 100 nm, used in fuel additives and UV filters. It is classified under tariff item 2846.10.00 as a cerium compound, as particle size does not alter the chemical definition per Chapter 28 Note 1(a).
2846.10.00Polishing Grade Ceria for Precision Optics
Polishing Grade Ceria for Precision Optics is a calcined cerium oxide powder engineered for polishing telescope mirrors, laser optics, and ophthalmic lenses. It is classified under tariff item 2846.10.00 as a chemically defined cerium compound, meeting the criteria of Chapter 28 notes for inorganic compounds of rare-earth metals. The controlled particle distribution (1-3 microns) ensures consistent polishing performance without altering its chemical identity.
2846.10.00UV-Blocking Cerium Oxide for Glass
UV-Blocking Cerium Oxide for Glass is a specialty cerium(IV) oxide compound doped to absorb ultraviolet radiation in automotive and architectural glass production. It qualifies under tariff item 2846.10.00 as a chemically defined cerium compound, with the doping not rendering it particularly suitable for a specific use beyond general UV absorption. The product meets Chapter 28 note 1 criteria for added substances that do not alter its fundamental chemical nature.