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202568

Sigma-Aldrich

Ammonium aluminum sulfate dodecahydrate

99.995% trace metals basis

Synonym(s):

Aluminum ammonium sulfate dodecahydrate, Ammonium alum

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About This Item

Linear Formula:
AlNH4(SO4)2 · 12H2O
CAS Number:
7784-26-1
Molecular Weight:
453.33
EC Number:
232-055-3
MDL number:
MFCD00149958
UNSPSC Code:
12352302
PubChem Substance ID:
24852098

assay

99.995% trace metals basis

form

crystals and lumps

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

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Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKBR1330V
MKBK4001V
MKBF9142V
08810HU
00921MT

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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
[A method for determining ammonium alum-based aerosol-forming dusts in mine air].
R V Gorskaia et al.
Gigiena truda i professional'nye zabolevaniia, (2)(2), 46-47 (1989-01-01)
Yehua Shen et al.
Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine, 25(3), 541-551 (2012-03-08)
Matrix metalloproteinases (MMPs) are zinc-dependent endopeptidases and key regulators for many physiological and pathological functions. The MMP inhibitors have been shown to modulate diseases such as cancer, inflammation, and cardiovascular diseases. In this paper we tracked the MMP inhibitory activities
V Hostomská et al.
Journal of hazardous materials, 147(1-2), 342-349 (2007-02-20)
Experiments with cooling crystallization of ammonium alum, (NH(4)Al(SO(4))2.12H(2)O), were performed with concentrated multicomponent acidic solutions (originating from underground uranium leaching in Stráz pod Ralskem area, Czech Republic, and containing as the principal components Al3+, NH4+, and SO4(2-) ions) as well
Mutsuko Hirata-Koizumi et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 49(9), 1948-1959 (2011-05-17)
Aluminium ammonium sulfate (AAS) was tested for reproductive/developmental toxicity in a two-generation study. Male and female rats were continuously given AAS in drinking water at 0, 50, 500 or 5000 ppm. Water consumption was decreased in all AAS-treated groups, and
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