trioxotungsten

• ChemBase ID: 111520
• Molecular Formular: O3W
• Molecular Mass: 231.8382
• Monoisotopic Mass: 231.93567486
• SMILES: O=[W](=O)=O
• Canonical SMILES: O=[W](=O)=O
• InChI: InChI=1S/3O.W
• InChIKey: ZNOKGRXACCSDPY-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: trioxotungsten
• IUPAC Traditional name: trioxotungsten; tungsten trioxide
• Synonyms: TUNGSTIC OXIDE; Tungsten(VI) oxide; Tungstic anhydride; Tungsten(VI) oxide; Tungstic oxide; Tungsten trioxide; 钨酸酐; 氧化钨(VI)

Database IDs

• CAS Number: 1314-35-8
• EC Number: 215-231-4
• MDL Number: MFCD00011466
• PubChem SID: 162089687; 24852293; 24879090; 24853929
• PubChem CID: 14811
• Wikipedia Title: Tungsten_trioxide

CALCULATED PROPERTIES

• H Acceptors: 3
• H Donor: 0
• LogD (pH = 5.5): -1.0542
• LogD (pH = 7.4): -1.0542
• Log P: -1.0542
• Molar Refractivity: 4.3287 cm^3
• Polarizability: 9.691569 Å^3
• Polar Surface Area: 51.21 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: insoluble in water; slightly soluble in HF
• Apperance: Canary yellow powder; nanopowder; powder
• Melting Point: 1473°C
• Boiling Point: 1700°C (approx)
• Flash Point: Non-flammable
• Density: 7.16 g/cm^3; 7.16 g/mL at 25 °C(lit.); 7.160 g/ml

Safety Information

• RTECS: YO7760000
• European Hazard Symbols: Harmful (Xn)
• German water hazard class: nwg
• Risk Statements: 22-36/37/38; R:22-36/37/38
• Safety Statements: 26-36; S:25-26-36/37/39
• EU Index: Not listed
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• Main Hazard: Irritant
• GHS Hazard statements: H302-H315-H319-H335
• GHS Precautionary statements: P261-P305 + P351 + P338
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves

Product Information

• Purity: ≥99% trace metals basis; 99.5%; 99.9%; 99.995% trace metals basis
• Grade: puriss.
• Particle Size: <100 nm (TEM); ≤20 μm
• Linear Formula: WO3

DETAILS

MP Biomedicals - 05219629

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 550086

Packaging
5, 25 g in poly bottle

Sigma Aldrich - 204781

Packaging
10, 50, 250 g in poly bottle

Sigma Aldrich - 232785

Packaging
100, 500 g in poly bottle
2 kg in poly bottle