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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If incorporated into finished dental cements
Pharmaceutical preparations containing the compound shift to Chapter 30.
If as diagnostic reagents for medical labs
Lab reagents with specific reactivity classify under 3822.
If sintered into ceramic implants
Ceramic products from inorganic compounds fall under Chapter 69.
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Import Tips & Compliance
• ISO 13485 cert for medical device components; bio-compatibility testing docs essential
• Classify as chemical, not finished device, to avoid Chapter 90
• Sterility validation for pharma imports; high purity (>98%) prevents reclass
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.
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.
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.