Aluminum phosphate

Aluminum phosphate (CAS 7784-30-7), also referred to as aluminum orthophosphate, is an inorganic salt used across industrial and pharmaceutical manufacturing. It functions primarily as a pH buffer, binder, and flame retardant depending on the application sector. In pharmaceutical manufacturing, it is used as an active antacid ingredient and as a binder in tablet formulations, where controlled release and gastric buffering are required. The construction and refractory industries use it as a high-temperature binder.

This material is essential in ceramic coatings, cements, and fireproofing materials that must withstand thermal stress. Textile and paper processors apply it as a flame retardant treatment and sizing agent to meet fire resistance specifications. In water treatment, it acts as a coagulant aid to support flocculation and clarification of process water and effluents. Aluminum phosphate is available as a white powder and in gel or colloidal suspension forms depending on the target application.

Pharmaceutical-grade material is supplied to USP and Ph. Eur. specifications, while technical-grade powder serves industrial and construction uses. These standards ensure the highest level of purity for sensitive applications. Food-grade variants meeting FCC standards are available for regulated food and nutraceutical applications. This versatility makes it a critical component for manufacturers requiring reliable chemical performance across diverse global markets.