- Boron mononitride
White powder, hexagonal or cubic crystals
Production of alloys.
Registry Numbers and Inventories.
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
Sublimation point, °C
Solubility in water
3.19 - 3.28
Hazards and Protection.
Keep container closed. Store in a cool dry place.
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Strong oxidizing agents.
Nature of decomposition products not known.
Extinguish using Noncombustible. Use extinguishing media appropriate to surrounding fire conditions. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Emits toxic fumes under fire conditions.
Irritant. Irritating to eyes and respiratory system.
Material is irritating to mucous membranes and upper respiratory tract.
May cause skin irritation.
Causes eye irritation.
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
In case of contact, immediately wash skin with soap and copious amounts of water.
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.