Tungsten (IV) Sulfide

Tungsten (IV) Sulfide

Basic Information

• CAS Number: 12138‑09‑9
• Molecular Formula: WS2
• Molar Mass: 247.97 g/mol
• Appearance: Dark gray to black powder
• Product Code: T819253
• Pack Size: 50 g

Product Description

Tungsten (IV) sulfide, commonly known as tungsten disulfide (WS₂), is an inorganic compound used in research, materials science, and industrial applications. It has a layered structure that gives it excellent solid lubricant properties, thermal stability, and chemical resistance. It can also serve as a catalyst and advanced electronic and battery materials

Storage and Handling

• Store in a cool, dry, well‑ventilated area away from incompatible substances.
• Keep the container tightly closed to prevent contamination and moisture.
• Avoid generation and accumulation of dust and handle with appropriate PPE (gloves, goggles, lab coat).

Safety Information

According to safety data sources:

Hazards:

• Causes skin and eye irritation and may cause respiratory irritation (GHS: H315, H319, H335).

• Health Risks:

  • Inhalation of dust may irritate the respiratory system.
  • Contact with eyes or skin may cause irritation.
  • Ingestion is not advised.

First Aid:

• Skin Contact: Wash with soap and water.
• Eye Contact: Rinse with water for several minutes; seek medical attention if irritation persists.
• Inhalation: Move to fresh air; consult a physician if symptoms occur.
• Ingestion: Rinse mouth; seek medical attention.

Firefighting:

Use standard dry chemical, CO₂, or foam extinguishers for surrounding fires. Do not use water jets on metal powders