Nomenclature
CAS number: 10102-71-3
Sulfuric acid aluminum sodium salt (2:1:1); sodium alum.
AlNaO
8S
2; mol wt 242.10.
Al 11.14%, Na 9.50%, O 52.87%, S 26.49%.
NaAl(SO
4)
2.
Description and references
Prepn: Gmelins, Aluminum (8th ed) 35B, p 378-384 (1934).
Derivative
Dodecahydrate.
Nomenclature
Sodium alum; soda alum. Properties
Colorless crystals or white granules or powder.
d 1.61. mp about 60°. Sol in 1 part water.
Practically insol in alc.Use
Industrially, like aluminum potassium sulfate.
Therapeutic Category
Astringent.
Therapeutic Category (Veterinary)
Astringent.
Keywords
Astringent