- Tricalcium nitride
Red-brown cubic crystals
Registry Numbers and Inventories.
11 29 34
16 22 26 36/37/39 45
Japan ENCS (MITI)
Melting point, °C
Sublimation point, °C
2.464 g/cm3 (25 C)
Hazards and Protection.
Keep tightly closed. Keep away from heat, sparks, and open flame. Handle and store under argon.
Compatible chemical-resistant gloves. Chemical safety goggles. Hand: Faceshield (8-inch minimum).
Government approved respirator.
Avoid raising dust. Ventilate area and wash spill site after material pickup is complete. Sweep up, place in a bag and hold for waste disposal.
Stable at normal temperatures and pressures.
Strong oxidizing agents.
Ammonia, Nitrogen oxides.
Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Unsuitable: Do not use water. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Produce flammable gases on contact with water.
Emits toxic fumes under fire conditions. Flammable solid.
Fire will produce irritating, corrosive and/or toxic gases.
Corrosive. Contact with water liberates toxic gas. Causes burns. Target organ(s): Lungs.
May be harmful if swallowed.
Material is extremely destructive to the tissue of the mucous membranes and upper respiratory tract. May be harmful if inhaled.
Causes burns. May be harmful if absorbed through the skin.
If swallowed, wash out mouth with water provided person is conscious. Call a physician immediately. Do not induce vomiting.
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
In case of skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician.
In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician.