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)
Subheadings
Products classified under Tariff item 2846.10
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(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 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.
2846.10.00Nanoparticulate 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).