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A7210

Aluminum potassium sulfate dodecahydrate

BioXtra, ≥98.0%

Synonym(s):

Alum, Potassium alum, Potassium aluminum sulfate dodecahydrate

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About This Item

Linear Formula:
AlK(SO4)2 · 12H2O
CAS Number:
7784-24-9
Molecular Weight:
474.39
NACRES:
NA.25
PubChem Substance ID:
24891189
UNSPSC Code:
12161700
EC Number:
233-141-3
MDL number:
MFCD00149143
Assay:
≥98.0%
Form:
powder
Solubility:
H2O: 0.5 M, clear, colorless
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product line

BioXtra

Quality Segment

200

assay

≥98.0%

form

powder

impurities

≤0.0005% Phosphorus (P), ≤0.005% Insoluble matter

mp

92 °C (lit.)

solubility

H2O: 0.5 M, clear, colorless

density

1.757 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.0005%

cation traces

Ca: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.001%, Mg: ≤0.005%, NH4+: ≤0.005%, Na: ≤0.02%, Pb: ≤0.001%, Zn: ≤0.0005%

SMILES string

O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

InChI

1S/Al.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4

InChI key

GNHOJBNSNUXZQA-UHFFFAOYSA-J

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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