Thulium oxide
- CAS NO.：12036-44-1
- Empirical Formula: O3Tm2
- Molecular Weight: 385.87
- MDL number: MFCD00011285
- EINECS: 234-851-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:52
What is Thulium oxide?
Description
Thulium oxide (Tm2O3) powder has a greenish-white appearance. This rare earth sesquioxide has a cubic structure. The melting point of this material is approximately 2341°C. Tm2O3 is insoluble in water while it is slightly soluble in acidic environments. Tm2O3 has currently been receiving much attention because of its potential in the catalytic, electronic, optical and electrochemical applications. Tm2O3 has a high dielectric constant of 12–13 and its energy band gap of 5 eV.
Chemical properties
white to slightly beige fine powder or crystals
The Uses of Thulium oxide
Thulium oxide is an excellent thulium source which finds use in glass, optical and ceramic applications. Further, it is used in the manufacturing of portable X-ray transmission device. In addition to this, it finds use as a nuclear reactor control material. Nanostructured thulium oxide acts as an efficient biosensor in the field of medicinal chemistry.
The Uses of Thulium oxide
Holmium(III) sulfate hydrate has specialized uses in ceramics, glass, phosphors and metal halide lamp, and dopant to garnet laser. Holmium lasers are used in medical, dental, and fiber-optical applications.
Properties of Thulium oxide
| Melting point: | 2425°C |
| Density | 8.600 |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| solubility | slightly soluble in acid solutions |
| form | Sintered Lump |
| color | Pale Green |
| Water Solubility | Slightly soluble in strong acids. Insoluble in water. |
| Merck | 14,9394 |
| CAS DataBase Reference | 12036-44-1(CAS DataBase Reference) |
| EPA Substance Registry System | Thulium oxide (Tm2O3) (12036-44-1) |
Safety information for Thulium oxide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for Thulium oxide
| InChIKey | CWEYWFRFCUNVEY-UHFFFAOYSA-N |
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