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Ammonium aluminum sulfate dodecahydrate

硫酸铵铝 十二水合物

品牌
Sigma-Aldrich
CAS
7784-26-1
货号
A2140
规格纯度
ReagentPlus®, ≥99% (titration)
参考价格
1235.15 *本价格含增值税费
促销
数量
-+
产品介绍:

产品说明

一般描述

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.

应用

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

包装

500 g in poly bottle
1 kg in poly bottle

法律信息

ReagentPlus is a registered trademark of sigma-aldrich Co. LLC

基本信息

线性分子式AlNH4(SO4)2 · 12H2O
分子量453.33
EC 号232-055-3
MDL编号MFCD00149958
PubChem化学物质编号329770770
NACRESNA.55

产品性质

质量水平100
产品线ReagentPlus®
测定≥99% (titration)
形式powder or crystals
pH值(酸碱度)2.6 (25 ℃, 100 g/L)
mp93.5 ℃ (lit.)
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
InChI1S/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 keyWZUKKIPWIPZMAS-UHFFFAOYSA-K

安全信息

储存分类代码11 - Combustible Solids
WGKWGK 2

Sigma-Aldrich

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