Synonyms: Chrome alum; Potassium chromium(III) sulfate dodecahydrate
Formula: CrK(SO4)2 · 12H2O
Formula Weight: 499.40
CAS No.: 7788-99-0
Purity: ≥98%; 98.0-102.0% (ACS specification)
Packaging: 100, 500 g in poly bottle
Packaging: 5 g in glass bottle
Anion Traces: chloride (Cl-): ≤0.002%
Assay: 98.0-102.0% (ACS specification)
Cation Traces: heavy metals (as Pb): ≤0.01%
Grade: ACS reagent
Impurities: ≤0.01% insolubles
MP: 89°C(lit.)