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Merck
CN

202568

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
UNSPSC Code:
12352302
PubChem Substance ID:
24852098
EC Number:
232-055-3
MDL number:
MFCD00149958
Assay:
99.995% trace metals basis
Form:
crystals and lumps

Key Documents

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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

assay

99.995% trace metals basis

form

crystals and lumps

mp

93.5 °C (lit.)

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Storage Class

11 - Combustible Solids

wgk

WGK 2

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBR1330V
MKBK4001V
MKBF9142V
00921MT
08810HU

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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
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
[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)
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
Michael D Braid et al.
Journal of microbiological methods, 52(3), 389-393 (2003-01-18)
Extracting high-purity DNA directly from soil has become essential for the study of microorganisms in environmental samples. However, many soils contain compounds that inhibit enzymes involved in manipulating DNA. In this study, chemical flocculation using multivalent cations was investigated as
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