Aluminum Phosphate

Title: Aluminum Phosphate
CAS Registry Number: 7784-30-7
Additional Names: Aluminum orthophosphate
Molecular Formula: AlO4P
Molecular Weight: 121.95
Percent Composition: Al 22.13%, O 52.48%, P 25.40%
Line Formula: AlPO4
Literature References: Occurs in nature as the minerals angelite; coeruleolactite; evansite; lucinite; metavariscite; sterretite; variscite; vashegyite; wavellite; zepharovicht. Prepn from NaAlO2 and H3PO4: Becher in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) p 831.
Properties: White, infusible powder. mp >1460°; d23 2.56. Practically insol in water or acetic acid. Very slightly sol in concentrated hydrochloric acid and nitric acid. Isomorphous with quartz.
Melting point: mp >1460°
Density: d23 2.56
Derivative Type: Aluminum phosphate gel
Trademarks: Fosfalugel (Yamanouchi); Phosphaljel (Am. Home); Phosphalugel (Yamanouchi)
Use: As cement in admixture with calcium sulfate and sodium silicate; as flux for ceramics; dental cements; for special glasses.
Therap-Cat: Antacid.
Keywords: Antacid.
Aluminum Phosphide Aluminum Potassium Sulfate Aluminum Rubidium Sulfate Aluminum Salicylates, Basic Aluminum Selenide