- Trichromium dicarbide
Odorless gray powder.
Registry Numbers and Inventories.
Japan ENCS (MITI)
Melting point, °C
Boiling point, °C
6.68 g/cm3 (20 C)
Solubility in water
Hazards and Protection.
Store under dry inert gas. Protect from humidity and water. Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.
Protective work clothing. Chemical protective gloves. Safety glasses or goggles.
Ensure adequate ventilation. Keep away from ignition sources.
Decomposition will not occur if used and stored according to specifications.
Acids, bases, water/moisture.
Toxic metal oxide fumes, methane.
Extinguish with CO2, sand, extinguishing powder. Do not use water. Wear self-contained respirator. Wear fully protective impervious suit.
Contact with water releases flammable gases.
Toxic metal oxide fumes.
NIOSH PEL: 0.5 mg/m3 (as Cr)
Causes irritation of eyes, skin and mucous membranes. Chromium powder, chromium (II) and chromium (III) compounds may cause nausea, diarrhea, vomiting, skin and eye irritation and pneumoconiosis. Although less likely than Cr(VI) compounds, the NTP considers all chromium to be potentially carcinogenic.
Seek medical treatment.
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
Rinse opened eye for several minutes under running water. Then consult a doctor.