| Name | Ruthenium tetroxide |
| Synonyms | RuO4 Ruthenium tetroxide RUTHENIUM TETROXIDE RUTHENIUM (VIII) OXIDE Ruthenium oxide (RuO4) Ruthenium oxide (RuO4), (T-4)- |
| CAS | 20427-56-9 |
| EINECS | 243-813-8 |
| Molecular Formula | O4Ru |
| Molar Mass | 165.07 |
| Density | 3.290 |
| Melting Point | 25.4° |
| Boling Point | bp 40° |
| Water Solubility | 2.03g/100mL H2O (20°C); very soluble CCl4, other chlorinated hydrocarbons [MER06] [KIR82] |
| Physical and Chemical Properties | The chemical properties are dark blue tetragonal crystalline powder. Relative density 6.97. Dissolve in molten alkali solution to form Na2RuO4. Insoluble in water and acid. There is no change in heating to 1025 ℃. Decomposed above 1400 ℃, part of it vaporizes. Heating in a hydrogen stream reduces to produce metallic ruthenium. |
| Use | Applications for the electronics industry in the thick film resistor, potentiometer and other components. |
| Safety Description | S16 - Keep away from sources of ignition. S17 - Keep away from combustible material. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | 3139 |
| Raw Materials | Oxygen Ruthenium Ruthenium dioxide Potassium chlorate Sodium hydroxide Potassium permanganate Sodium periodate Ruthenium(III) chloride |
| Downstream Products | QUAZEPAM |
| storage conditions | Refrigerator ( 4°C) |
| morphology | Crystalline Powder |
| color | White |
| water solubility | 2.03g/100mL H2O (20°C); very soluble CCl4, other chlorinated hydrocarbons [MER06] [KIR82] |
| sensitivity | heat sensitive, store cold |
| stability | Stable. |
| HazardClass | 5.1 |
| PackingGroup | I |
| customs code | 28439000 |
the powdered metal ruthenium is heated in oxygen at 800~900 ℃ for 1 h; Or the sulfide, sulfate and chloride of ruthenium are burned in air or oxygen to obtain the finished product of ruthenium dioxide.