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Aluminum Metaphosphate

CAS No.:13776-88-0
Product Grade: Industrial Grade
Purity / Assay: 98.0% min
Molecular Formula:AlO₉P₃
Molecular Weight:263.90 g/mol
Synonym(s):Metaphosphoric acid (HPO3), aluminum salt; RefChem:556663; Aluminium metaphosphate; Aluminum metaphosphate

Aluminum Metaphosphate, identified by CAS number 13776-88-0, is an inorganic compound characterized by its exceptional thermal stability and low coefficient of thermal expansion. It typically appears as a white, crystalline powder or granular solid that remains chemically inert under a wide range of environmental conditions. As a high-performance phosphate material, it serves as a critical component in specialized glass formulations and ceramic systems where maintaining structural integrity at elevated temperatures is paramount.

In industrial and research contexts, this material is valued for its ability to enhance the refractive index and chemical durability of optical materials. Its unique molecular structure allows it to act as a robust binder and fluxing agent, facilitating the production of advanced technical ceramics. Proper handling requires standard industrial hygiene practices, as the material is generally stable but should be kept away from strong bases to prevent degradation of its phosphate network.

• In the glass industry, Aluminum Metaphosphate is primarily utilized as a vital raw material for the production of specialized optical and laser glass. Its inclusion helps to improve the refractive index and dispersion properties while enhancing the glass’s resistance to chemical erosion and thermal shock. This makes it indispensable for manufacturing high-precision lenses and optical components used in scientific instrumentation.

• The compound serves as a high-temperature binder and flux in the fabrication of technical ceramics and refractory materials. By promoting sintering at lower temperatures without compromising the final product’s heat resistance, it enables the creation of durable ceramic coatings and structural components that can withstand extreme thermal cycling in aerospace and industrial furnace applications.

• It is frequently employed in the development of functional coatings and sealants designed for high-performance environments. Its low thermal expansion characteristics ensure that coatings remain bonded to substrates during temperature fluctuations, providing a protective barrier against oxidation and moisture. This utility extends to the production of specialty glazes and enamels for high-end industrial equipment.

25kg/drum, 200kg/drum, IBC Drum
CAS No.: 13776-88-0

Product Name: Aluminum Metaphosphate

Purity / Assay:98.0% min
Molecular Formula:AlO₉P₃
Molecular Weight:263.90 g/mol
EINECS No.:237-415-3
Synonym(s):Metaphosphoric acid (HPO3), aluminum salt; RefChem:556663; Aluminium metaphosphate; Aluminum metaphosphate

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