Salts & Minerals
REACH
Aluminum phosphate
CAS Number
7784-30-7
EC Number
232-056-9
What is Aluminum phosphate?
Aluminum phosphate (CAS 7784-30-7), also referred to as aluminum orthophosphate, is an inorganic salt used in industrial and pharmaceutical manufacturing.
Where is Aluminum phosphate used?
- Pharmaceuticals: active antacid ingredient and binder in tablet formulations for controlled release and gastric buffering
- Construction and refractory industries: high-temperature binder
- Ceramic coatings, cements and fireproofing materials that must withstand thermal stress
- Textile and paper processing: flame retardant treatment and sizing agent to meet fire resistance specifications
- Water treatment: coagulant aid supporting flocculation and clarification of process water and effluents
- It functions as a pH buffer, binder and flame retardant depending on the sector.
Good to know: Pharmaceutical-grade material meets USP and Ph. Eur. specifications; food-grade variants meet FCC standards.
Commercial specifications
- Pharmaceutical grade: USP and Ph. Eur. specifications
Other Names (Synonyms)
aluminum orthophosphate|aluminium orthophosphate|aluminum monophosphate|aluminium monophosphate|ALUMINIUM PHOSPHATE|Aluminum acid phosphate|Aluphos|Aluminum phosphate (1:1)
What are the physical properties of Aluminum phosphate?
Melting Point >1460 °C
Density 2.56 g/cm³ @ Temp: 23 °C
Appearance Aluminum orthophosphate is a white crystalline solid which is often used in liquid or gel form
Color White
Form Powder
Water Solubility Insoluble
How is Aluminum phosphate classified and handled safely? Learn More
Danger
GHS05· Corrosive GHS07· Irritant
Hazard Statements
H314 Causes severe skin burns and eye damage
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
Precautionary Statements
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
Which trade and regulatory codes apply to Aluminum phosphate?
HS Code 28352990
UN Number 3260
ADR Class 8
Packing Group II
Storage Class 13 - Non Combustible Solids
WGK (Germany) 1