dipotassium dioxotungstenbis(olate)

• ChemBase ID: 145231
• Molecular Formular: K2O4W
• Molecular Mass: 326.0342
• Monoisotopic Mass: 325.85800284
• SMILES: [O-][W](=O)(=O)[O-].[K+].[K+]
• Canonical SMILES: [O-][W](=O)(=O)[O-].[K+].[K+]
• InChI: InChI=1S/2K.4O.W/q2*+1;;;2*-1
• InChIKey: AAQNGTNRWPXMPB-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dipotassium dioxotungstenbis(olate)
• IUPAC Traditional name: dipotassium tungstate
• Synonyms: Potassium tungstate; Potassium tungstate; Potassium tungsten oxide; 钨酸钾

Database IDs

• CAS Number: 7790-60-5
• EC Number: 232-215-2
• MDL Number: MFCD00049668
• Merck Index: 147694
• PubChem SID: 24871865; 162239440; 24863153
• PubChem CID: 3084032

CALCULATED PROPERTIES

• Molar Refractivity: 5.7716 cm^3
• Polarizability: 10.616612 Å^3
• Polar Surface Area: 80.26 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true
• Acid pKa: -2.30103
• H Acceptors: 4
• H Donor: 0
• LogD (pH = 5.5): -5.970884
• LogD (pH = 7.4): -6.2965326
• Log P: -1.7752

PROPERTIES

Physical Property

• Solubility: Soluble in water
• Apperance: -60 Mesh Powder; powder
• Melting Point: 921 °C(lit.); 921°C
• Density: 3.12; 3.12 g/mL at 25 °C(lit.)

Safety Information

• Storage Warning: Hygroscopic
• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 1
• Risk Statements: 36/37
• Safety Statements: 26
• TSCA Listed: 是
• GHS Pictograms: GHS07
• GHS Hazard statements: H319-H335
• GHS Precautionary statements: P261-P280-P305+P351+P338-P304+P340-P405-P501A
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

Product Information

• Purity: ≥99.99% trace metals basis; 94%; 99.5% (metals basis)
• Particle Size: -100 mesh
• Linear Formula: K2WO4

DETAILS

Sigma Aldrich - 372617

Packaging
100 g in poly bottle

Sigma Aldrich - 483079

Packaging
5, 25 g in poly bottle