- Terbium(III) chloride
- Terbium trichloride
White orthorhombic crystals, hygroscopic.
Activator for green phosphors used in color TV tubes. Used in special lasers and as a dopant in solid-state devices
Registry Numbers and Inventories.
Mutagen; Primary Irritant
Japan ENCS (MITI)
Melting point, °C
4.35 g/cm3 (25 C)
Hazards and Protection.
Keep tightly closed. Store in a cool dry place.
Compatible chemical-resistant gloves. Chemical safety goggles.
Government approved respirator.
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.
Stable at normal temperatures and pressures.
Hydrogen chloride gas.
Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Emits toxic fumes under fire conditions.
Material may be irritating to mucous membranes and upper respiratory tract.
May cause skin irritation.
May cause 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.