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
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关于此项目
线性分子式:
AlNH4(SO4)2 · 12H2O
化学文摘社编号:
分子量:
453.33
NACRES:
NA.55
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
232-055-3
MDL number:
Assay:
≥99% (titration)
Form:
powder or crystals
Quality Segment
product line
ReagentPlus®
assay
≥99% (titration)
form
powder or crystals
pH
2.6 (25 °C, 100 g/L)
mp
93.5 °C (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
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
General description
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.
Application
Ammonium aluminum sulfate dodecahydrate may be used in the preparation of alum (Al(OH)3) gel and monodispersed yttrium aluminum garnet (YAG) powder.
Legal Information
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
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存储类别
13 - Non Combustible Solids
wgk
WGK 2