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| CAS No.: | 12036-44-1 |
|---|---|
| Name: | Thulium oxide |
| Molecular Structure: | |
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| Formula: | Tm2O3 |
| Molecular Weight: | 385.87 |
| Synonyms: | Dithuliumtrioxide;Thulia;Thulium sesquioxide;Thulium trioxide;Thulium(3+) oxide;Thulium(III) oxide; |
| EINECS: | 234-851-6 |
| Density: | 8.600 |
| Melting Point: | 2425 °C |
| Solubility: | Slightly soluble in strong acids. Insoluble in water. |
| Appearance: | white to slightly beige fine powder or crystals |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36 |
| PSA: | 43.37000 |
| LogP: | -0.30600 |
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Specification
This product is an organic compound with the formula Tm2O3. The systematic name of this chemical is Thulium oxide. It belongs to the product categories of Inorganics; Catalysis and Inorganic Chemistry; Chemical Synthesis; Oxides; Thulium; Thulium Metal and Ceramic Science; Metal oxide. Its EINECS number is 234-851-6. With the CAS registry number 12036-44-1, it is also named as Thulium(III) oxide. In addition, the molecular weight is 385.87. It should be sealed and stored in a ventilated and dry place. It is mainly used for manufacturing portable X ray transmission device. It can also be used as control materials of the reactor.
Physical properties of Thulium oxide are: (1)#H bond acceptors: 3; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 2; (4)Polar Surface Area: 43.37 Å2.
Preparation: first the enrichment of rare earth containing thulium is used as raw materials, and then other rare earth ions are ectracted by solvent or exchanged by ions. Thulium in the form of hydroxides, carbonates and oxalates is precipitated and separated out by adding proper precipitation agents, and finally Thulium(III) oxide is prepared by firing the above compounds.
When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing.
You can still convert the following datas into molecular structure:
(1)SMILES: O=[Tm]O[Tm]=O
(2)Std. InChI: InChI=1S/3O.2Tm
(3)Std. InChIKey: CWEYWFRFCUNVEY-UHFFFAOYSA-N