Hydroxyapatite Nanopowder (Synthetic Calcium Phosphate)
Synthetic hydroxyapatite nanopowder mimics bone mineral for coatings, scaffolds, and supplements, under HTS 2835.26.00.00 as other calcium phosphates. It is chemically defined as Ca10(PO4)6(OH)2.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If doped with rare earths for luminescent use
Doped compounds for electronics/luminophores shift per exclusions.
If as biotech research grade preparation
Lab-scale chemical preparations under 3824.
If potash-based fertilizer potash phosphate blends
Fertilizer mixes change chapter per Chapter Note 3.
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Import Tips & Compliance
• SEM/TEM analysis for nano-size confirmation (<100nm); DOT shipping for nanoparticulates
• Avoid Chapter 38 if doped for semiconductors per Chapter Note 8
• Biomedical labeling prevents food additive confusion
Related Products under HTS 2835.26.00.00
Dicalcium Phosphate Dihydrate (DCPD)
Dicalcium phosphate dihydrate is a white, odorless powder composed of calcium hydrogen phosphate with two molecules of water, classified under HTS 2835.26.00.00 as other phosphates of calcium. It is primarily used as a dietary supplement in animal feed and as a phosphate source in food processing.
Tricalcium Phosphate (TCP) Powder
Tricalcium phosphate is a calcium orthophosphate powder used as a food additive, anticaking agent, and in pharmaceuticals, falling under HTS 2835.26.00.00 for other calcium phosphates. It provides calcium and phosphorus essential for bone health supplements.
Tetracalcium Phosphate (TTCP) for Biomedical Use
Tetracalcium phosphate is a high-calcium phosphate phase used in bone cements and dental restoratives, classified under HTS 2835.26.00.00 as other calcium phosphates. It reacts to form hydroxyapatite in vivo.
Calcium Phosphate Tribasic Granules
Granular tricalcium phosphate used in nutritional supplements and as a flow agent, classified in HTS 2835.26.00.00 for other calcium phosphates. The granulation improves handling and dissolution.
Dibasic Calcium Phosphate Anhydrous (DCPA)
Anhydrous dicalcium phosphate is a dry binder in tablets and toothpastes, under HTS 2835.26.00.00 as other calcium phosphates. Lacks water of hydration unlike dihydrate form.
Calcium Metaphosphate Glassy Flakes
Glassy calcium metaphosphate flakes used in dental cements and sealants, classified under HTS 2835.26.00.00 for other calcium phosphates. Provides controlled solubility.