CAPTAL® Amorphous
Calcium Phosphate

CAPTAL® Amorphous Calcium Phosphate is a high-purity non-crystalline product, with a nominal Ca:P ratio of either 1.67 or 1.5 depending on your requirements. When heated above 900 ⁰C it crystallises to hydroxyapatite (1.67) or beta tri-calcium orthophosphate (1.5).The surface area of CAPTAL® ACP is high (50 to 90 m²/gram), reflecting its porous nature. It is used in applications where further heat processing crystallises the lattice once the powder is formed into the required product. CAPTAL® ACP is available as spherical spray-dried particles, d(50) ~ 15 to 30 μm, or as angular particles, d(50) ~ 60 μm up to 500 μm. It is sold as a non-sterile powder.