Combustible under specific conditions. Finely dispersed particles form explosive mixtures in air.
Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust.
In case of fire in the surroundings, use appropriate extinguishing media.
PREVENT DISPERSION OF DUST!
Use local exhaust or breathing protection.
Fresh air, rest.
Rinse skin with plenty of water or shower.
Wear safety spectacles.
Rinse with plenty of water for several minutes (remove contact lenses if easily possible).
Do not eat, drink, or smoke during work. Wash hands before eating.
Rinse mouth. Give one or two glasses of water to drink.
CLASSIFICATION & LABELLING
Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting.
According to UN GHS Criteria
Transportation UN Classification
UN Hazard Class: 4.1; UN Pack Group: II, III
Separated from strong oxidants, halogens and strong acids.
PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance SILVER-WHITE LUSTROUS METAL OR DARK GREY POWDER.
Physical dangers Dust explosion possible if in powder or granular form, mixed with air.
Chemical dangers Reacts violently with oxidants, halogens and concentrated nitric acid. This generates fire hazard.
Atomic mass: 95.9
Boiling point: 4612°C Melting point: 2617°C Density: 10.2 g/cm³ Solubility in water: none
EXPOSURE & HEALTH EFFECTS
Routes of exposure
Effects of short-term exposure See Notes.
Effects of long-term or repeated exposure See Notes.
OCCUPATIONAL EXPOSURE LIMITS
TLV: (inhalable fraction): 10 mg/m3, as TWA. TLV: (respirable fraction): 3 mg/m3, as TWA
Environmental effects from the substance have not been investigated adequately.
Health effects of exposure to the substance have not been investigated adequately.
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