| Product Identification | Back to Contents | 【Product Name】
Niobium oxide | 【Synonyms】
Niobia
Niobium pentoxide | 【CAS】
1313-96-8 | 【Formula】
Nb2O5 | 【Molecular Weight】
265.8 | 【EINECS】
215-213-6 | 【RTECS】
QU0500000 | 【RTECS Class】
Other | 【Merck】
12,6651 | 【Beilstein/Gmelin】
20057 (G) |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
white orthorhombic crystals | 【Solubility in water】
0.72 g/L (17 C) | 【Melting Point】
1496 | 【Density】
4.6 g/cm3 (20 C) | 【Heat Of Vaporization】
535.7 kJ/mol | 【Usage】
Used mainly in the production of capacitors, lithium niobate, and optical glass. | 【Refractive Index】
1.7 |
| First Aid Measures | Back to Contents | 【Ingestion】
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. |
| Handling and Storage | Back to Contents | 【Storage】
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause irritation of the digestive tract. | 【Inhalation】
Causes respiratory tract irritation. Causes irritation of mucous membrane. | 【Skin】
Causes skin irritation. | 【Eyes】
Causes eye irritation. |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
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. | 【Respirators】
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. |
| Fire Fighting Measures | Back to Contents | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use agent most appropriate to extinguish fire. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Stability】
Stable under normal temperatures and pressures. Turns yellow when heated. | 【Incompatibilities】
Strong oxidizing agents. | 【Decomposition】
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, niobium oxides. |
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