Dioxoruthenium
Ruthenium(IV)Oxide
CAS: 12036-10-1
Molecular Formula: O2Ru
Dioxoruthenium - Names and Identifiers
| Name | Ruthenium(IV)Oxide |
| Synonyms | oxygen(2-) Dioxoruthenium ruthenium(4+) ruthenium, dioxo- Ruthenium(IV)Oxide Ruthenium dioxide anhydrous Ruthenium(IV) oxide,Ruthenium dioxide |
| CAS | 12036-10-1 |
| EINECS | 234-840-6 |
| InChI | InChI=1/2O.Ru/q2*-2;+4 |
| InChIKey | WOCIAKWEIIZHES-UHFFFAOYSA-N |
Dioxoruthenium - Physico-chemical Properties
| Molecular Formula | O2Ru |
| Molar Mass | 133.07 |
| Density | 6.97g/mLat 25°C(lit.) |
| Melting Point | 1200°C (subl.) |
| Water Solubility | insoluble |
| Appearance | Blue-black powder or block |
| Specific Gravity | 6.97 |
| Color | Black |
| Storage Condition | 2-8℃ |
| Sensitive | Hygroscopic |
| MDL | MFCD00011210 |
| Use | Chemical catalysts are important raw materials for making resistors and capacitors. |
Dioxoruthenium - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36 - Irritating to the eyes |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S39 - Wear eye / face protection. |
| WGK Germany | 2 |
| RTECS | VM2654000 |
| TSCA | Yes |
| HS Code | 28439090 |
| Hazard Class | 5.1 |
Dioxoruthenium - Nature
Open Data Verified Data
dark blue crystal, tetragonal. Relative density 7.0, insoluble in water, acid, soluble in molten alkali. Heating to 1025 ° C. Does not decompose, decomposition at 1400 ° C., and a part of gasification, heating in a hydrogen atmosphere is reduced to metal ruthenium.
Last Update：2025-06-10 22:55:16
Dioxoruthenium - Preparation Method
Open Data Verified Data
oxidation method ruthenium dioxide was prepared by heating ruthenium powder in an oxygen atmosphere at 800 to 900 ° C. Using ruthenium metal as a raw material, and then cooling to obtain a product. It can also be prepared from ruthenium sulfide, ruthenium sulfate, ruthenium chloride by burning in oxygen or air; Or from the decomposition of hexachloro ammonium ruthenium acid by heating at 540 ° C. In an oxygen atmosphere.
Last Update：2025-06-10 22:55:16
Dioxoruthenium - Application
Open Data Verified Data
A conductive phase used as a thick-film resistive paste.
Last Update：2025-08-19 16:24:40
Dioxoruthenium - Safety
Open Data Verified Data
rat oral LDso;4580mg/kg. Its dust has a stimulating effect on the eyes and upper respiratory tract. When exposed to dust, protection must be made, and the working environment should be well ventilated. Store in a cool, ventilated warehouse. Keep away from fire and heat source. Protection from direct sunlight. It should be stored separately from the oxidant, and it is strictly prohibited to mix with the oxidant and edible chemicals.
Last Update：2025-06-10 22:55:16
Dioxoruthenium - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | chemical catalyst is an important raw material for making resistors and capacitors |
| production method | 1. oxidation method uses metal ruthenium as raw material, and the metal ruthenium powder is heated in an oxygen atmosphere at 800~900 ℃ for 1h to prepare ruthenium dioxide, and the product is obtained by cooling. It can also be prepared by burning ruthenium sulfide, ruthenium sulfate, and ruthenium chloride in oxygen or air; or by heating and decomposing ammonium hexachlororuthenate in an oxygen atmosphere at 540°C. |
Last Update：2024-04-09 21:04:16
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View History
Dioxoruthenium
850264-86-7
14328-62-2
107-00-6
1356339-06-4
2543-94-4
134997-87-8
382147-43-5
23771-52-0
10543-57-4
850264-86-7
14328-62-2
107-00-6
1356339-06-4
2543-94-4
134997-87-8
382147-43-5
23771-52-0
10543-57-4