402818
硫酸铵铝 十二水合物
ACS reagent, ≥98%
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:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
232-055-3
MDL number:
cation traces
Na: ≤0.01%, Ca: ≤0.05%, Fe: ≤0.001%, K: ≤0.05%, heavy metals (as Pb): ≤0.001%
InChI key
WZUKKIPWIPZMAS-UHFFFAOYSA-K
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
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
grade
ACS reagent
assay
≥98%, 98.0-102.0% (ACS specification)
impurities
≤0.005% insolubles
mp
93.5 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%
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General description
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. It has high latent heat of 251 kJ kg-1 with a potential use in the heating system. Its utility as a flame-retardant for cotton fabric has been analyzed.
Application
Ammonium aluminum sulfate dodecahydratemay be used in the preparation of Alum (Al(OH)3) gel.
存储类别
11 - Combustible Solids
Thermogravimetry of deposited ammonium aluminum sulfate dodecahydrate used as flame-retardant for cotton fabrics.
Mostashari SM and Mostashari SZ.
Cellulose Chemistry and Technology, 43(9), 455-455 (2009)
Preventive and curative glycoside kaempferol treatments attenuate the TH2-driven allergic airway disease.
Medeiros KCP, et al.
International Immunopharmacology, 9(13), 1540-1548 (2009)
Flow and heat transfer characteristics of ammonium alum hydrate slurries.
Suzuki H, et al.
International Journal of Refrigeration, 36(1), 81-87 (2013)
Thermal characterization of ammonium alum.
Lopez-Beceiro J, et al.
Journal of Thermal Analysis and Calorimetry, 104(1), 127-130 (2010)
David A Stevens et al.
Chemical senses, 33(5), 405-413 (2008-03-05)
Three multidimensional scaling studies were conducted to compare the taste qualities evoked from electrical and chemical stimulation, including ferrous sulfate as a typical "metallic" taste stimulus. Bipolar, anodal, and cathodal stimulation were delivered by 1.5- or 3-V batteries applied to
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