chromium(3+) ion potassium disulfate

• ChemBase ID: 157841
• Molecular Formular: CrKO8S2
• Molecular Mass: 283.2196
• Monoisotopic Mass: 282.80767314
• SMILES: [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[K+].[Cr+3]
• Canonical SMILES: [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[K+].[Cr+3]
• InChI: InChI=1S/Cr.K.2H2O4S/c;;2*1-5(2,3)4/h;;2*(H2,1,2,3,4)/q+3;+1;;/p-4
• InChIKey: OIDPCXKPHYRNKH-UHFFFAOYSA-J

NAMES AND DATABASE IDS

Names

• IUPAC name: chromium(3+) ion potassium disulfate
• IUPAC Traditional name: chromium(3+) ion potassium disulfate
• Synonyms: Chromium(III) potassium sulfate solution; Chromium(III) potassium sulfate dodecahydrate, ACS; Chrome alum; Chromium(III) potassium sulfate dodecahydrate; 硫酸铬钾 溶液; 十二水合硫酸铬(III)钾, ACS; 十二水合硫酸铬(III)钾

Database IDs

• CAS Number: 10141-00-1; 7788-99-0
• EC Number: 233-401-6
• MDL Number: MFCD00149917; MFCD00011363
• Merck Index: 142229
• PubChem SID: 162251977; 24861402
• PubChem CID: 61489

CALCULATED PROPERTIES

• Acid pKa: -3.034349
• H Acceptors: 4
• H Donor: 0
• LogD (pH = 5.5): -5.569452
• LogD (pH = 7.4): -5.594027
• Log P: -0.841552
• Molar Refractivity: 11.5274 cm^3
• Polarizability: 6.037845 Å^3
• Polar Surface Area: 80.26 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Apperance: Crystalline; Solid
• Melting Point: 89°C
• Density: 1.12 g/mL at 20 °C; 1.83

Safety Information

• RTECS: GB6850000
• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 2
• Risk Statements: 36/38
• Safety Statements: 26-37
• TSCA Listed: 是
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319
• GHS Precautionary statements: P280-P305+P351+P338-P302+P352-P321-P362-P332+P313; P305 + P351 + P338
• Personal Protective Equipment: Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter

Product Information

• Purity: 98%; 98.0-102.0%; 99.9% (metals basis)
• Grade: for COD determination according to DIN 38409-H44
• Linear Formula: KCr(SO4)2