A2140

Ammonium aluminum sulfate dodecahydrate

ReagentPlus^®, ≥99% (titration)

• Sinónimos: Aluminum ammonium sulfate dodecahydrate, Ammonium alum
• Fórmula lineal: AlNH₄(SO₄)₂ · 12H₂O
• Número de CAS: 7784-26-1
• Peso molecular: 453.33
• Número CE: 232-055-3
• Número MDL: MFCD00149958
• Código UNSPSC: 12352302
• ID de la sustancia en PubChem: 329770770
• NACRES: NA.55
• Ensayo: ≥99% (titration)
• Formulario: powder or crystals

Propiedades

• Nivel de calidad: 100
• Línea del producto: ReagentPlus^®
• Ensayo: ≥99% (titration)
• Formulario: powder or crystals
• pH: 2.6 (25 °C, 100 g/L)
• mp: 93.5 °C (lit.)
• cadena SMILES: [Al+3].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H][N+]([H])([H])[H].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O
• InChI: 1S/Al.H3N.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;1H3;2*(H2,1,2,3,4);12*1H2/q+3;;;;;;;;;;;;;;;/p-3
• Clave InChI: WZUKKIPWIPZMAS-UHFFFAOYSA-K

Descripción

Descripción general

Ammonium aluminum sulfate dodecahydrate, commonly called as ammonium alum, is widely used in the water purification, cosmetic formulation, fertilizers and food preservation. Its thermal decomposition has been studied. It has high latent heat of 251kJkg^-1 with a potential use in the heating system. Its utility as a flame-retardant for cotton fabric has been studied.

Aplicación

Ammonium aluminum sulfate dodecahydrate may be used in the preparation of alum (Al(OH)₃) gel and monodispersed yttrium aluminum garnet (YAG) powder.

Información legal

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Información de seguridad

• Código de clase de almacenamiento: 13 - Non Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 2