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Chromium(III) potassium sulfate dodecahydrate_Molecular_structure_CAS_7788-99-0)
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Chromium(III) potassium sulfate dodecahydrate

Catalog No. 12252 Name Sigma Aldrich
CAS Number 7788-99-0 Website http://www.sigmaaldrich.com
M. F. CrH24KO20S2 Telephone 1-800-521-8956
M. W. 499.40296 Fax
Purity ≥98% (iodometric) Email
Storage Chembase ID: 158523

SYNONYMS

Title
硫酸铬(III)钾 十二水合物
IUPAC name
chromium(3+) ion potassium dodecahydrate disulfate
IUPAC Traditional name
chromium(3+) ion potassium dodecahydrate disulfate
Synonyms
Chrome alum
Potassium chromium(III) sulfate dodecahydrate
硫酸钾铬(III) 十二水合物
铬明矾

DATABASE IDS

CAS Number 7788-99-0
MDL Number MFCD00149917
EC Number 233-401-6

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Cation Traces Fe: ≤300 mg/kg
Grade puriss.
Impurities ≤0.01% heavy metals (as Pb)
Linear Formula CrK(SO4)2 · 12H2O
Purity ≥98% (iodometric)
Melting Point 89 °C(lit.)
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS GB6850000
German water hazard class 2

DETAILS

REFERENCES