- Lanthanum sesquioxide
- Lanthanum trioxide
Registry Numbers and Inventories.
S 22 24/25
Japan ENCS (MITI)
Melting point, °C
Boiling point, °C
Solubility in water
Hazards and Protection.
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Do not allow contact with water.
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation. Do not get water inside containers.
Stable under normal temperatures and pressures. Combines vigorously with water with the evolution of heat. Substance readily absorbs carbon dioxide from air.
Chlorine trifluoride, water.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Substance is noncombustible. Water Reactive. Reacts with water to form explosive hydrogen gas. Reacts with water to form corrosive acids. Extinguishing media: Use foam, dry chemical, or carbon dioxide. DO NOT USE WATER! Do NOT get water inside containers.
Repeated exposure may cause pulmonary inflammation and hyperemia.
May cause irritation of the digestive tract. May cause headache, fever, nausea, abdominal pain, muscle pain, and bloody urine. In addition, substance has anticoagulant effect on
May cause respiratory tract irritation. May cause effects similar to those described for ingestion.
May cause skin irritation. Exposure may cause formation of skin nodules.
May cause eye irritation. Exposure to particulates or solution may cause conjunctivitis, ulceration, and corneal abnormalities.
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
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