Tantalumsulfide , 99.99% , 12143-72-5

CAS NO.：12143-72-5

Empirical Formula: S2Ta

Molecular Weight: 245.08

MDL number: MFCD00049569

EINECS: 235-265-3

PRODUCT Properties

• Melting point: >1300°C
• Density: 6.860
• solubility: insoluble in H2O
• form: black hexagonal crystals
• color: black hexagonal, hexane crystals, crystalline
• Water Solubility: insoluble H2O [HAW93]
• Crystal Structure: CdI2 type
• crystal system: Three sides
• Space group: P3m1
• Lattice constant:
  • a/nm: 0.336
  • b/nm: 0.336
  • c/nm: 0.59
  • α/o: 90
  • β/o: 90
  • γ/o: 120
  • V/nm3: 0.0577
• EPA Substance Registry System: Tantalum sulfide (TaS2) (12143-72-5)

Description and Uses

Tantalum disulfide (TaS2) is used to make solid lubricants and special noncorrosive greases.

Safety

• Symbol(GHS): GHS05
• Signal word: Danger
• Hazard statements: H314-H227
• Precautionary statements: P501-P210-P264-P280-P370+P378-P303+P361+P353-P301+P330+P331-P363-P304+P340+P310-P305+P351+P338+P310-P403+P235-P405