If powder: NO open flames 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.
Remove contaminated clothes. Rinse skin with plenty of water or shower.
Wear safety goggles.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Do not eat, drink, or smoke during work.
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
PHYSICAL & CHEMICAL INFORMATION
Physical State; Appearance GREY POWDER.
Physical dangers Dust explosion possible if in powder or granular form, mixed with air.
Chemical dangers Chromium is a catalytic substance and may cause reaction in contact with many organic and inorganic substances, causing fire and explosion hazard.
Effects of short-term exposure May cause mechanical irritation to the eyes 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: (as Cr(0), inhalable fraction): 0.5 mg/m3, as TWA
The surface of the chromium particles is oxidized to chromium(III)oxide in air. See ICSC 1531.
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