05-4560

Chromium(III) potassium sulfate dodecahydrate

SAJ first grade, ≥97.0%

• Synonym(s): Chrome alum, Potassium chromium(III) sulfate dodecahydrate
• Linear Formula: CrK(SO₄)₂ · 12H₂O
• CAS Number: 7788-99-0
• Molecular Weight: 499.40
• EC Number: 233-401-6
• MDL number: MFCD00149917
• UNSPSC Code: 12352302
• PubChem Substance ID: 329748064

Properties

• grade: SAJ first grade
• assay: ≥97.0%
• form: crystalline
• reaction suitability: reagent type: catalyst; core: chromium
• availability: available only in Japan
• mp: 89 °C (lit.)
• 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

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319
• pcodes: P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• ppe: Eyeshields, Gloves, type N95 (US)