disulfanylidenetungsten

• ChemBase ID: 111515
• Molecular Formular: S2W
• Molecular Mass: 247.97
• Monoisotopic Mass: 247.895073
• SMILES: S=[W]=S
• Canonical SMILES: S=[W]=S
• InChI: InChI=1S/2S.W
• InChIKey: ITRNXVSDJBHYNJ-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: disulfanylidenetungsten
• IUPAC Systematic name: Dithioxotungsten
• IUPAC Traditional name: tungsten disulfide
• Synonyms: TUNGSTEN DISULFIDE; Tungsten(IV) sulfide; Tungsten(IV) sulfide; Tungstenite; Tungsten(IV) sulfide; 硫化钨(IV)

Database IDs

• CAS Number: 12138-09-9
• EC Number: 235-243-3
• MDL Number: MFCD00011467
• PubChem SID: 162090792; 24854626
• PubChem CID: 82938
• CHEBI ID: 30521
• Chemspider ID: 74837
• Wikipedia Title: Tungsten(IV)_sulfide

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 0.7656
• LogD (pH = 7.4): 0.7656
• Log P: 0.7656
• Molar Refractivity: 18.8676 cm^3
• Polarizability: 14.628873 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: slightly soluble in water
• Apperance: blue-gray powder; powder
• Melting Point: 1250 °C decomp.
• Density: 7.5 g/cm^3, solid; 7.5 g/mL at 25 °C(lit.)

Safety Information

• European Hazard Symbols: Flammable (F); Irritant (Xi); Harmful (Xn)
• German water hazard class: nwg
• Risk Statements: 36/37/38; R:10-22
• Safety Statements: 26-37/39; S:16-24-36/37/39-45-53
• EU Index: Not listed
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• GHS Precautionary statements: P261-P305 + P351 + P338
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves

Product Information

• Purity: 99%; 99.8%
• Particle Size: 2 μm
• Linear Formula: WS2

DETAILS

MP Biomedicals - 05219606

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 243639

Packaging
50 g in glass bottle