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12252

Chromium(III) potassium sulfate dodecahydrate

puriss., ≥98% (iodometric)

Synonym(s):

Chrome alum, Potassium chromium(III) sulfate dodecahydrate

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About This Item

Linear Formula:
CrK(SO4)2 · 12H2O
CAS Number:
7788-99-0
Molecular Weight:
499.40
EC Number:
233-401-6
UNSPSC Code:
12352300
MDL number:
MFCD00149917
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grade

puriss.

assay

≥98% (iodometric)

impurities

≤0.01% heavy metals (as Pb)

mp

89 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg

cation traces

Fe: ≤300 mg/kg

SMILES string

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

InChI

1S/Cr.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

ZFVHBEKVAITXHW-UHFFFAOYSA-J

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Certificates of Analysis (COA)

Lot/Batch Number
70720
30770
10230
02910
91860

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Global Trade Item Number

SKUGTIN
301612-10G04061832853369