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| CAS No.: | 7440-45-1 |
|---|---|
| Name: | CERAMICS-AEium |
| Molecular Structure: | |
|
|
|
| Formula: | Ce |
| Molecular Weight: | 140.12 |
| Synonyms: | NSC 158935;UNII-30K4522N6T; |
| EINECS: | 231-154-9 |
| Density: | 6.67 g/mL at 25 °C(lit.) |
| Melting Point: | 795 °C(lit.) |
| Boiling Point: | 3443 °C(lit.) |
| Solubility: | Insoluble in water |
| Appearance: | gray colored, ductile solid |
| Hazard Symbols: |
 C, Xn, F
|
| Risk Codes: | 36/37/38-20/21/22-11 |
| Safety: | 26-36/37/39-16 |
| Transport Information: | UN 2031 8/PG 2 |
| PSA: | 0.00000 |
| LogP: | 0.00000 |
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| Conditions | Yield |
|---|---|
| With calcium In neat (no solvent) start of react. at 700-800°C, raise of temp. during react. (about 600°C, in presence of an eutic mixture of KCl-LiCl3 less than 600°C);; metal-powder;; | 99% |
| With Ca In neat (no solvent) start of react. at 700-800°C, raise of temp. during react. (about 600°C, in presence of an eutic mixture of KCl-LiCl3 less than 600°C);; metal-powder;; | 99% |
| In melt Electrolysis; electrolysis of CeCl3 in KCl/LiCl, complete exclusion of O2;; | 97% |
| Conditions | Yield |
|---|---|
| With calcium In neat (no solvent) start of react. at 400°C, in presence of I2;; contaminations in wt.-%: 1-5 Ca, 0.1-1Mg, removal by distn. in vac.;; | 93% |
| With Ca In neat (no solvent) start of react. at 400°C, in presence of I2;; contaminations in wt.-%: 1-5 Ca, 0.1-1Mg, removal by distn. in vac.;; | 93% |
| With lithium In neat (no solvent) byproducts: LiF; in presence of I2; 78.17g CeF3, 9.6g Li, 20g subl. I2, under Ar, react. in a furnace of 1280°C, heating to 1100-1150°C after end of react. (40min); investigation of different vessel-materials;; | 50-95 |
| Conditions | Yield |
|---|---|
| In melt Electrolysis; electrolyte: CeF3, BaF2, LiF; continuous addn. of CeO2, 850-900°C, 800-900A, 7-8V, current yield 96%; under He;; | 90% |
| In melt Electrolysis; bath composition (in wt.-%): 73 CeF3, 15 LiF, 12 BaF2; 11V, 249A, starting current density: 10.2A/cm**2 (cathode), 4.1A/cm**2 (anode);; purity 99.91-99.97%;; | |
| In melt Electrolysis; bath composition (in mol-%): 21.9 CeF3, 73.1 LiF, 5.0 BaF2, 3-5 wt.-% CeO2, 760-850°C; description of different cells;; |
- 7440-45-1
cerium
| Conditions | Yield |
|---|---|
| With Hg; HCl; acetic acid In hydrogenchloride byproducts: H2; Electrochem. Process; soln. Ce2O3 in HCl; amalgamation on Hg cathode in buffer pH=3.4-3.7 (CH3COOH, CH3COONa); decomposed at 900-1250°C below 1E-6 Torr; various product yields (63.6-99.5%) for various conditions; amalgam rinsed (H2O, EtOH); degassed at 1000°C in vac.; elem. anal.; |
| Conditions | Yield |
|---|---|
| Products depend on amount of Mg. In H2 atmosphere also formation of Ce hydrides.; |
| Conditions | Yield |
|---|---|
| equilibrium at 1800°C; | |
| equilibrium at 1800°C; |
| Conditions | Yield |
|---|---|
| In melt heating Al in a melt of CeF3 to 1000°C, react. stops when Al contents 1.5% Ce;; |
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Specification
The Cerium, with the CAS registry number 7440-45-1, is also known as UNII-30K4522N6T. It belongs to the product categories of Inorganics; Catalysis and Inorganic Chemistry; Cerium; Cerium Metal and Ceramic Science; Chemical Synthesis; Metals. Its EINECS number is 231-154-9. This chemical's molecular formula is Ce and molecular weight is 140.12. What's more, its systematic name is Cerium. This chemical is an element of the rare earth family of metals. It is a soft, silvery, ductile metal which easily oxidizes in air. Cerium is the most abundant of the rare earth elements, making up about 0.0046% of the Earth's crust by weight. It is found in a number of minerals, the most important being monazite and bastnasite. Cerium is a malleable metal used in industrial applications.
When you are using this chemical, please be cautious about it as the following:
This chemical is highly flammable, so you should keep it away from sources of ignition - No smoking. It is harmful by inhalation, in contact with skin and if swallowed. 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, gloves and eye/face protection.
You can still convert the following datas into molecular structure:
(1)SMILES: [Ce]
(2)Std. InChI: InChI=1S/Ce
(3)Std. InChIKey: GWXLDORMOJMVQZ-UHFFFAOYSA-N