12060-08-1
Scandium Oxide
CAS: 12060-08-1
Molecular Formula: O3Sc2
12060-08-1 - Names and Identifiers
| Name | Scandium Oxide |
| Synonyms | Scandium Oxide oxygen(-2) anion SCANDIUM(III) OXIDE scandium(+3) cation Scandium Oxide, tablets SCANDIUM STANDARD SOLUTION |
| CAS | 12060-08-1 |
| EINECS | 235-042-0 |
| InChI | InChI=1/3O.2Sc/rO3Sc2/c1-4-3-5-2 |
| InChIKey | HYXGAEYDKFCVMU-UHFFFAOYSA-N |
12060-08-1 - Physico-chemical Properties
| Molecular Formula | O3Sc2 |
| Molar Mass | 137.91 |
| Density | 8.35g/mLat 25°C(lit.) |
| Melting Point | 1000 °C |
| Water Solubility | insoluble |
| Appearance | White powder |
| Specific Gravity | 3.864 |
| Color | White |
| Merck | 14,8392 |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Refractive Index | 1.964 |
| MDL | MFCD00011223 |
| Physical and Chemical Properties | Character white powder. relative density 3.864 solubility in hot acid. Insoluble in water. |
| Use | Scandium metal and scandium material raw material, thermal electron exchanger, emitting material, laser, etc |
12060-08-1 - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 28469099 |
12060-08-1 - Upstream Downstream Industry
12060-08-1 - Nature
Open Data Verified Data
white crystalline powder.
Last Update：2024-01-02 23:10:35
12060-08-1 - Preparation Method
Open Data Verified Data
The crude scandium oxide separated from cobalt and nickel ores is processed into scandium hydroxide, which is then heated and calcined to obtain a finished scandium oxide.
Last Update：2022-01-01 11:05:16
12060-08-1 - Introduction
Insoluble in water.
Last Update：2022-10-16 17:12:40
12060-08-1 - Use
Open Data Verified Data
used in electronic industry, laser and superconducting materials, alloy additives, various cathode coating additives.
Last Update：2022-01-01 11:05:15
12060-08-1 - Safety
Open Data Verified Data
packed in polyethylene plastic bags, 5kg net weight per bag. Store in a cool, ventilated, dry warehouse to prevent sun exposure. When loading and unloading should be light to prevent packaging damage.
Last Update：2022-01-01 11:05:16
12060-08-1 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Introduction | Scandium oxide, also known as scandium trioxide, is a white solid. Molecular formula of scandium oxide: Sc2O3. Scandium oxide has a cubic structure of rare earth sesquioxide. The elemental scandium is generally used in alloys, and scandium oxide also plays an important role in ceramic materials. The tetragonal zirconia ceramic materials, which can be used as electrode materials for solid oxide fuel cells, have a very special property in which the conductance of the electrolyte increases with increasing temperature and concentration of oxygen in the environment. |
| application | scandium oxide can be used as a vapor deposition material for semiconductor coatings to manufacture variable wavelength solid-state lasers, TV electron guns, metal halide lamps, etc., used in the electronics industry, lasers and superconducting materials, alloy additives, various cathode coating additives, etc. |
| preparation | chemical precipitation method is a relatively mature and commonly used method for enrichment and extraction of scandium, and its process is relatively simple. When scandium is extracted by chemical precipitation method, the best precipitant needs to be selected. According to the characteristics of different mineral systems, the available precipitants are usually hydroxide, ammonia, oxalate, carbonate, fluoride and binary tartrate. For example, when the precipitation method is used to separate scandium from iron and manganese from the hydrochloric acid leachate containing scandium chlorinated smoke, the pH value of the solution is adjusted with a NaOH solution with a concentration of 0.1mol • L-1, so that the precipitant only reacts with Sc3 to generate precipitation, and iron exists in the form of Fe2. Because the precipitant precipitates in acidic solution, but dissolves in alkaline solution, and Sc3 + is just the opposite. According to this principle, by dissolving the precipitate with dilute hydrochloric acid, Sc3 + can be separated from the precipitant in the form of ScCl3. While extracting scandium, iron can be separated and scandium can be purified. The precipitation rate of scandium in the whole treatment process can reach 100%. |
| use | can be used as evaporation material for semiconductor coating to manufacture variable wavelength solid-state lasers, TV electron guns, metal halide lamps, etc. used in electronics industry, laser and superconducting materials, alloy additives, various cathode coating additives, etc. metal scandium and scandium raw materials, heat electron exchanger, emission materials, laser, etc. scientific research reagents, biochemical research suitable for vacuum evaporation application |
| production method | crude scandium oxide separated from nickel ore is processed into scandium hydroxide, then heated and roasted to obtain scandium oxide finished product. |
Last Update：2024-04-10 22:29:15
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