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| CAS No.: | 13569-80-7 |
|---|---|
| Name: | DYSPROSIUM FLUORIDE |
| Article Data: | 47 |
| Molecular Structure: | |
|
|
|
| Formula: | DyF3 |
| Molecular Weight: | 219.495 |
| Synonyms: | Dysprosiumfluoride;Dysprosium trifluoride; |
| EINECS: | 236-992-9 |
| Density: | 7.5 |
| Melting Point: | 1360 °C |
| Boiling Point: | 19.5 °C at 760 mmHg |
| Solubility: | Soluble in strong mineral acids. Insoluble in water. |
| Appearance: | white crystalline powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26 |
| PSA: | 0.00000 |
| LogP: | 1.26060 |
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dysprosium(III) fluoride
| Conditions | Yield |
|---|---|
| With HF heating the rare-earth oxide to 973 K or 1023 K under flowing mixt. of HF and Ar for about 16 h; product was transferred to platinum crucibles and melted under mixt. ofHF and Ar; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) excess fluoride, 200°C, Pt-vessel; removal of excess fluoride on heating in a stream of dry inert gas to 450°C;; | |
| In hydrogenchloride dissolving oxide in aq. HCl, pptn. with excess aq. NH4F, filtration, drying, dehydration on heating ppt. with excess powdered NH4F to 360°C in a dry stream of He or Ne (O2-free) for 5h;; | |
| In hydrogenchloride dissolving oxide in aq. HCl, pptn. with excess aq. NH4F, filtration, drying, dehydration on heating ppt. with excess powdered NH4F to 360°C in a dry stream of He or Ne (O2-free) for 5h;; | |
| With HF In hydrogen fluoride aq. HF; lanthanide trifluoride is treated with 40% hydrofluoric acid with stirring, decanting the HF, drying under an infrared heater at 50°C, mixing with NH4F, heating at 500°C; XRD, DTA; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: oxygen; explosive convertion at 330-380°C, starting of fluorination at 375°C; |
| Conditions | Yield |
|---|---|
| In hydrogenchloride; nitric acid Dy2O3 was dissolved in HCl-HNO3, pptd. with HF, dehydrated under streamof HF-N2 at temp. gradually raised to about 1000 K; | |
| In neat (no solvent) byproducts: H2O; at elevated temp.;; | |
| In neat (no solvent) byproducts: H2O; formation of hydrated compound with moist HF at 150-250°C, dehydration at 350-550.degreee.C with dry HF containing 10% H2;; | |
| In neat (no solvent) byproducts: H2O; on passing dry HF-gas over oxide at 700°C, 200% excess HF, cooling to room temp. under diminished pressure, removal of HF by passing through He;; | 99.90-99.98 |
| In hydrogenchloride dissolution of the sesquioxide in hydrochloric acid; precipitation by addn. of HF; dehydration under a gas stream of HF-N2 at 1000 K;; distillation in a high vacuum; X-ray powder diffraction;; |
| Conditions | Yield |
|---|---|
| In melt byproducts: CdO; with molten CdO;; | 0% |
| Conditions | Yield |
|---|---|
| In neat (no solvent) heating oxide and excess SF4 in vac. until start of react., exclusion of moisture;; | |
| In neat (no solvent) heating oxide and excess SF4 in vac. until start of react., exclusion of moisture;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) excess fluoride, 200°C, Pt-vessel; removal of excess fluoride on heating in a stream of dry inert gas to 450°C;; | |
| In neat (no solvent) heating (carbon crucible, 300°C, 3 h, 450°C, 4 h); |
| Conditions | Yield |
|---|---|
| In neat (no solvent) |
| Conditions | Yield |
|---|---|
| In neat (no solvent) at 700°C, exothermic react.;; |
| Conditions | Yield |
|---|---|
| With sodium linoleate; linoleic acid In ethanol; water High Pressure; Na linoleate, linoleic acid and EtOH mixed under agitation; aq. soln. ofDy(NO3)3 and NaF added; agitated for ca. 5 min; transefrred to autoclav e; sealed; hydrothermally treated at 100-200°C for 8-10 h; cooledto room temp.; deposit dispersed in cyclohexane; EtOH added; centrifuged; powder purified with EtOH several times; detd. by X-ray powder diffraction and electron microscopy; DyF3 nanocrystals obtained; |
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Specification
The Dysprosium fluoride is an organic compound with the formula DyF3. The IUPAC name of this chemical is trifluorodysprosium. With the CAS registry number 13569-80-7, it is also named as Dysprosium(III) fluoride. The product's categories are Catalysis and Inorganic Chemistry; Chemical Synthesis; Crystal Grade Inorganics; Dysprosium Salts; DysprosiumMetal and Ceramic Science; Salts. Besides, it is a white crystalline powder, which should be stored in a closed cool and well-ventilated place.
Physical properties about Dysprosium fluoride are: (1)Enthalpy of Vaporization: 25.54 kJ/mol; (2)Boiling Point: 19.5 °C at 760 mmHg; (3)Vapour Pressure: 922 mmHg at 25°C.
When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)SMILES: F[Dy](F)F
(2)InChI: InChI=1/Dy.3FH/h;3*1H/q+3;;;/p-3
(3)InChIKey: FWQVINSGEXZQHB-DFZHHIFOAS
(4)Std. InChI: InChI=1S/Dy.3FH/h;3*1H/q+3;;;/p-3
(5)Std. InChIKey: FWQVINSGEXZQHB-UHFFFAOYSA-K