λ2-cobalt(2+) ion dioxidanide

• ChemBase ID: 126650
• Molecular Formular: CoO2
• Molecular Mass: 90.932
• Monoisotopic Mass: 90.92302424
• SMILES: [Co+2].[OH-].[OH-]
• Canonical SMILES: [OH-].[OH-].[Co+2]
• InChI: InChI=1S/Co.2H2O/h;2*1H2/q+2;;/p-2
• InChIKey: ASKVAEGIVYSGNY-UHFFFAOYSA-L

NAMES AND DATABASE IDS

Names

• IUPAC name: λ^2-cobalt(2+) ion dioxidanide; λ^2-cobalt(2+) ion dihydroxide
• IUPAC Traditional name: λ^2-cobalt(2+) ion dioxidanide; λ^2-cobalt(2+) ion dihydroxide
• Synonyms: Cobaltous hydroxide; cobalt hydroxide; cobaltous hydrate; Cobalt(II) hydroxide; Cobalt(II) hydroxide; 氢氧化钴(II)

Database IDs

• CAS Number: 21041-93-0
• EC Number: 244-166-4
• MDL Number: MFCD00016015
• Merck Index: 142442
• PubChem SID: 162220980
• PubChem CID: 10129900
• Chemspider ID: 8305419
• Wikipedia Title: Cobalt(II)_hydroxide

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 1
• LogD (pH = 5.5): -0.652
• LogD (pH = 7.4): -0.652
• Log P: -0.652
• Molar Refractivity: 13.9149 cm^3
• Polarizability: 1.1434737 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true
• Acid pKa: 15.7

PROPERTIES

Physical Property

• Solubility: 3.20 mg/L in water; Soluble in acids, ammonia. Very slightly soluble in water; soluble in acids, ammonia; insoluble in dilute alkalis
• Apperance: Powder; rose-red powder or bluish-green powder
• Melting Point: 168 °C (decomp); 250°C dec.
• Density: 3.597 g/cm^3
• Std enthalpy of formation: -539.7 kJ·mol^-1
• Std molar entropy: 79.0 J·mol^-1·K^-1
• Solubility Product (Ksp): 1.0×10^-15

Safety Information

• Storage Warning: Air Sensitive
• RTECS: GG0904500
• European Hazard Symbols: X
• Risk Statements: 22-43; R20 R21 R22 R36 R37 R38 R43
• Safety Statements: 24-37; S24 S26 S36 S37 S39
• TSCA Listed: 是
• GHS Pictograms: GHS06
• NFPA704:
  

  0

  1

  2
• GHS Hazard statements: H301-H317
• GHS Precautionary statements: P261-P301+P310-P302+P352-P321-P405-P501A

Product Information

• Purity: 97%; 99.9% (metals basis)