dioxotungsten

• ChemBase ID: 130056
• Molecular Formular: O2W
• Molecular Mass: 215.8388
• Monoisotopic Mass: 215.94076024
• SMILES: O=[W]=O
• Canonical SMILES: O=[W]=O
• InChI: InChI=1S/2O.W
• InChIKey: DZKDPOPGYFUOGI-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dioxotungsten
• IUPAC Traditional name: tungsten(IV) oxide
• Synonyms: Tungsten(IV) oxide; Tungsten dioxide; Tungsten(IV) oxide; 氧化钨(IV)

Database IDs

• CAS Number: 12036-22-5
• EC Number: 234-832-7; 234-842-7
• MDL Number: MFCD00049709
• PubChem SID: 24864926; 162224341
• PubChem CID: 82850
• Wikipedia Title: Tungsten(IV)_oxide

CALCULATED PROPERTIES

• H Acceptors: 2
• H Donor: 0
• LogD (pH = 5.5): -0.7028
• LogD (pH = 7.4): -0.7028
• Log P: -0.7028
• Molar Refractivity: 2.8858 cm^3
• Polarizability: 8.953197 Å^3
• Polar Surface Area: 34.14 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: negligible in water
• Apperance: bronze solid; powder
• Melting Point: 1700 °C decomp.
• Flash Point: Non-flammable
• Density: 10.8 g/cm^3
• Magnetic Susceptibility: 5.7×10^-5 cm3/mol

Safety Information

• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 3
• Risk Statements: 37
• Safety Statements: 26-36
• EU Index: Not listed
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves

Product Information

• Purity: 99.99% trace metals basis
• Particle Size: -100 mesh
• Linear Formula: WO2

DETAILS

Sigma Aldrich - 400505

Packaging
10, 50 g in glass bottle