Share:

Calcium Pyrophosphate Precipitated Powder

Calcium pyrophosphate is a fine precipitated powder used as a polishing agent in toothpaste and as a lubricant additive, under HTS 2835.26.00.00 for other calcium phosphates. It is biocompatible for dental applications.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2835.39.10Higher: 38.1% vs 35%

If classified as other polyphosphates of calcium

Polyphosphate structure may shift to 2835.39 depending on chain length.

2529.22.00.00Lower: Free vs 35%

If natural fluorspar-derived rather than chemically precipitated

Natural calcium fluoride minerals fall under Chapter 25.

3824.99.25Higher: 41.5% vs 35%

If in dental polishing paste formulations

Prepared pastes/chemical mixtures for retail dental use under 3824.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Cosmetic grade needs CTFA/INCI naming; particle size <5 microns for abrasives

Ensure synthetic origin documentation to avoid mineral classification

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.

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.