In case of fire in the surroundings, use appropriate extinguishing media. In case of fire: keep drums, etc., cool by spraying with water.
PREVENT DISPERSION OF DUST!
Cough. Sore throat.
Use local exhaust.
Fresh air, rest.
Rinse and then wash skin with water and soap.
Wear safety spectacles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
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: III
Separated from strong oxidants and strong acids. Well closed.
PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance GREY-TO-WHITE POWDER.
Chemical dangers The substance may ignite spontaneously on contact with air. Reacts with oxidants. This generates fire and explosion hazard. Reacts violently with strong acids.
Atomic mass: 183.8
Boiling point: 5900°C Melting point: 3410°C Density: 19.3 g/cm³ Solubility in water: none
EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation.
Effects of short-term exposure May cause mechanical irritation to the eyes, skin and respiratory tract.
Inhalation risk A harmful concentration of airborne particles can be reached quickly when dispersed.
Effects of long-term or repeated exposure
OCCUPATIONAL EXPOSURE LIMITS
TLV: (respirable fraction): 3 mg/m3, as TWA
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