硫酸铵铝十二水合物,Ammonium aluminum sulfate dodecahydrate;ACS reagent, ≥98%

十二水硫酸铵铝;硫酸铝铵 十二水合物;铵明矾;十二水合硫酸铝铵;Aluminum ammonium sulfate dodecahydrate, Ammonium alum

线性分子式: AlNH4(SO4)2 · 12H2O CAS号: 7784-26-1 分子量: 453.33 EC 号: 232-055-3 MDL编号: MFCD00149958 PubChem化学物质编号: 329755965 NACRES: NB.24
制造商品牌: 西格玛 Sigma-Aldrich
货号(SKU): 402818
CAS号: 7784-26-1
MDL号: MFCD00149958
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说明

一般描述

Ammonium aluminum sulfate dodecahydrate commonly called as ammonium alum is widely used in water purification, cosmetic formulation, fertilizers and food preservation. Its thermal decomposition has been studied.[1] It has high latent heat of 251 kJ kg-1 with a potential use in the heating system.[2] Its utility as a flame-retardant for cotton fabric has been analyzed.[3]
 

应用

Ammonium aluminum sulfate dodecahydratemay be used in the preparation of Alum (Al(OH)3) gel.[4]
 
 

属性

等级

ACS reagent

质量水平

测定

≥98%
98.0-102.0% (ACS specification)

杂质

≤0.005% insolubles

mp

93.5 °C (lit.)

痕量阴离子

chloride (Cl-): ≤0.001%

痕量阳离子

Ca: ≤0.05%
Fe: ≤0.001%
K: ≤0.05%
Na: ≤0.01%
heavy metals (as Pb): ≤0.001%

SMILES string

[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 key

WZUKKIPWIPZMAS-UHFFFAOYSA-K

 

安全信息

储存分类代码

11 - Combustible Solids

WGK

WGK 2

商品规格
属性名称属性值
储存温度 Storage temp.常温阴凉避光
全球实时库存 Availability √美国St. Louis ≥ 50 | 欧洲Eur. ≥ 12 | 東京Tokyo ≥ 20 | 香港与北京 ≥ 50
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