Aluminum Hydroxyphosphate
CAS: 66578-77-6
Category: Inorganic Chemicals
| Purity | Industrial Grade ≥95%, Pharmaceutical Grade ≥98%, High Purity Grade ≥99% |
| Molecular Formula | Al(OH)x(PO4)y (variable hydrated aluminum phosphate composition) |
| Molecular Weight | Not fixed (depends on hydroxylation degree and hyd |
| Appearance | White or off-white amorphous powder, odorless, tasteless, insoluble or slightly soluble in water. |
| Packaging | 500 g/1 kg HDPE bottles with sealed inner liner; 5 kg/25 kg polyethylene-lined fiber drums; 25 kg kraft paper bags with polyethylene inner bags. |
| Testing Indicators | Appearance — Visual inspection; Aluminum content — EDTA complexometric titration or ICP-OES; Phosphate content — Molybdenum blue spectrophotometry or ICP analysis; Chemical composition — XRF; Structure — XRD; Particle size — Laser diffraction analysis; Moisture — Karl Fischer titration or loss on drying (USP <731>); Heavy metals — ICP-MS or atomic absorption spectroscopy; pH — Suspension pH measurement; Microbial limits — Microbial enumeration tests. |
| Storage Notes | Store in a cool, dry, well-ventilated place. Keep container tightly closed and protected from moisture. Avoid contact with strong acids, strong alkalis, and incompatible chemicals. |
| Lead Time | 10 days |
An inorganic aluminum phosphate compound used as pharmaceutical excipient, vaccine adjuvant material, antacid ingredient, stabilizer, adsorbent, and functional additive in ceramics, coatings, and flame-retardant materials.