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| Product Name: | ruthenium |
| CAS Registry Number: | 7440-18-8 |
| EINECS: | 231-127-1 |
| Synonyms: | Ruthenium on alumina; Ruthenium atomic absorption standard solution;Ruthenium on carbon; RU; 100041-48-3;ruthenium; (103ru)ruthenium; 7440-18-8; |
| Molecular Structure: |
 |
| Molecular Formula: | Ru |
| Molecular Weight: | 101.07 |
| Density: | 1.025 g/mL at 25 °C |
| Boiling Point: | 3900 ºC |
| Melting Point: | 2310 ºC |
| Flash Point: | 134.3°C |
| Refractive index: | 1.587 |
| Risk Codes: | S24/25 |
| Safety Statements: | Most ruthenium compounds are poisons. Ruthenium is retained in the bones for a long time. Flammable in the form of dust when exposed to heat or flame. Violent reaction with ruthenium oxide. Explosive reaction with aqua regia + potassium chlorate. When heated to decomposition it emits very toxic fumes of RuOx and Ru, which are highly injurious to the eyes and lung and can produce nasal ulcerations. See also RUTHENIUM COMPOUNDS. |
| Hazard Symbols: | F:Highlyflammable; |