Zirconium Ammonium Carbonate
Double salt of zirconium ammonium carbonate, used in textile dyeing and leather tanning processes. Classified as HTS 2836.99.50.10 for zirconium carbonates, applying Chapter 28 note on ammonium salts in 2826-2842 extended to carbonates. It acts as a mordant for colorfast dyes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing cyanide derivatives
Complex cyanides of inorganic bases are in 2837, per Chapter 28 note 2.
If synthetic organic pigments with zirconium
If used as pigment colorant, falls under Chapter 32 for synthetic pigments.
If for finishing agents in textiles
Preparations used as finishing agents shift from pure compounds to 3809.
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Import Tips & Compliance
• Provide evidence it's not a peroxysalt (e.g
• no peroxide test); comply with EPA wastewater regs for zirconium discharge
• Avoid declaring as 'complex cyanide' under 2837
Related Products under HTS 2836.99.50.10
Zirconium Carbonate Powder
Pure zirconium carbonate (Zr(CO3)2) in fine powder form, a chemically defined inorganic compound used in chemical synthesis and as a precursor for zirconia ceramics. It falls under HTS 2836.99.50.10 as a zirconium carbonate, distinct from peroxocarbonates or stabilized varieties. This white, odorless powder is soluble in acids and applied in high-temperature refractories.
Basic Zirconium Carbonate
Basic zirconium carbonate (Zr(OH)2·2ZrCO3), a hydrated compound used as a pigment and coating agent in paper manufacturing. Classified under HTS 2836.99.50.10 as a zirconium carbonate per subheading for other carbonates. It provides opacity and whiteness in specialty paper products.
Zirconium Subcarbonate Crystals
Crystalline zirconium subcarbonate, a partially carbonated form used in analytical chemistry and as a reagent. It is a chemically defined compound under HTS 2836.99.50.10, fitting the carbonates subheading excluding peroxo forms. These crystals are employed in lab synthesis of metal organics.
Hydrated Zirconium Carbonate
Hydrated zirconium carbonate (ZrCO3·xH2O), supplied as a slurry or powder for water treatment and flame retardants. Falls under HTS 2836.99.50.10 as other zirconium carbonates, chemically defined inorganic salt. It decomposes to zirconia upon heating for refractory applications.
Technical Grade Zirconium Carbonate
Technical-grade zirconium carbonate for ceramic glaze production, containing minor impurities but chemically defined. Under HTS 2836.99.50.10 as other zirconium carbonates, excluded from Chapter 31 notes. It fluxes glazes at high firing temperatures.
Nano-Zirconium Carbonate Particles
Nanoparticulate zirconium carbonate (<100nm) for advanced catalysts and coatings. Remains under HTS 2836.99.50.10 as chemically defined carbonate, not doped electronics per Chapter note. Enhances catalytic efficiency in petrochemical processes.