Bone ash

Bone ash (CAS 68439-86-1), also supplied under the designations HA 216 and Bone Ash 325, is a calcium phosphate-rich mineral derived from calcined animal bones.

Where is Bone ash used?

• Food manufacturing: bioavailable calcium and phosphorus for fortified products including infant formula, dairy analogs, and nutritional supplements
• Pharmaceutical production: excipient and mineral carrier in tablet and capsule production where controlled calcium phosphate content is required
• Agriculture: slow-release phosphate fertilizer delivering phosphorus to soil over extended growing cycles
• Feed producers incorporate it as a mineral supplement to support livestock bone development.

Commercial specifications

• Mesh grades such as 325 mesh