A2140

硫酸铵铝 十二水合物

ReagentPlus^®, ≥99% (titration)

• 别名: 硫酸铝铵 十二水合物, 铵明矾
• 线性分子式: AlNH₄(SO₄)₂ · 12H₂O
• CAS号: 7784-26-1
• 分子量: 453.33
• EC號碼: 232-055-3
• MDL號碼: MFCD00149958
• 分類程式碼代碼: 12352302
• PubChem物質ID: 329770770
• NACRES: NA.55

属性

• 品質等級: 100
• 產品線: ReagentPlus^®
• 化驗: ≥99% (titration)
• 形狀: powder or crystals
• pH值: 2.6 (25 °C, 100 g/L)
• mp: 93.5 °C (lit.)
• SMILES 字串: [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
• InChI 密鑰: WZUKKIPWIPZMAS-UHFFFAOYSA-K

说明

一般說明

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.

應用

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

法律資訊

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

安全信息

• 儲存類別代碼: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: WGK 2