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| CAS No.: | 1306-38-3 |
|---|---|
| Name: | CERAMICS-AEium(IV) oxide |
| Molecular Structure: | |
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|
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| Formula: | CeO2 |
| Molecular Weight: | 172.12 |
| Synonyms: | Needlal H 15;Needlal U 100;Needlal W 10-01;Needlal W 15;Opaline;Opaline (oxide);Purusea SQE 10C;Rhodox 76;SRS 135;Sunveil A;Superox 50;TE 1000;TRS 1793;TRS 1794;U100;U 20;VP AdNano Ceria 50;CESL 15N;Cepol 302;Ceria;Ceria;Cerico;Cerium(4+) oxide;GPL-C 1010;GPL-C S2125;HS 8005;HSA 15;Hastilite 919;Hastilite PO;Mirek 801;Molycorp 5310;Needlal; |
| EINECS: | 215-150-4 |
| Density: | 7.65 g/cm3 |
| Melting Point: | 2400 °C |
| Boiling Point: | 3500 °C |
| Solubility: | insoluble in water |
| Appearance: | white to faintly yellow powder |
| Hazard Symbols: |
 Xi, Xn
|
| Risk Codes: | 36-22 |
| Safety: | 26-24/25-23 |
| PSA: | 34.14000 |
| LogP: | -0.23760 |
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Specification
The IUPAC name of Ceric oxide is dioxocerium. With the CAS registry number 1306-38-3, it is also named as Cerium(4+) oxide. The product's categories are Inorganics; Cerium; 58: Ce; Cerium Materials Science; Cerium Metal and Ceramic Science; Catalysis and Inorganic Chemistry; Chemical Synthesis; Nanomaterials; Nanoparticles: Oxides, Nitrides, and Other Ceramics Nanomaterials; Nanopowders and Nanoparticle Dispersions; Oxides, and the other registry numbers are 385781-69-1; 956013-06-2. Besides, it is white to faintly yellow powder, which should be stored in ventilated, dry place. The product is stable, but absorbs carbon dioxide from the air. In addition, its molecular formula is CeO2 and molecular weight is 172.11.
The other characteristics of this product can be summarized as: (1)H-Bond Donor: 0; (2)H-Bond Acceptor: 2; (3)Rotatable Bond Count: 0; (4)Exact Mass: 171.895263; (5)MonoIsotopic Mass: 171.895263; (6)Topological Polar Surface Area: 34.1; (7)Heavy Atom Count: 3; (8)Complexity: 18.3; (9)Density: 7.65 g/cm3; (10)Melting point: 2400 °C; (11)Boiling point: 3500 °C; (12)EINECS: 215-150-4.
Preparation of Ceric oxide: this chemical can be prepared by Cerium oxalate. Please treat Cerium oxalate by heating, age, separating and washing. Then dry it at 110 °C. At last, you would obtain the product afer fire it at 900-1000 °C.
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Uses of Ceric oxide: this chemical can be used to sensitize photosensitive glass in ceramics. It also can be used to polish glass and stones. Similarly, it is used as a hydrocarbon catalyst during the high-temperature cleaning process in the walls of self-cleaning ovens. The product is used in sunscreens as a prospective replacement of zinc oxide and titanium dioxide. Additionally, it can be used as a fuel cell electrolyte. It also can be used in catalytic converters in automotive applications.
When you are using this chemical, please be cautious about it as the following: it is harmful if swallowed. Please do not breathe vapour. Moreover, it is irritating to eyes. You should avoid contact with skin and eyes. And in case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
People can use the following data to convert to the molecule structure.
(1)SMILES: O=[Ce]=O
(2)InChI: InChI=1/Ce.2O/rCeO2/c2-1-3
(3)InChIKey: CETPSERCERDGAM-ZUTPHORAAZ
(4)Std. InChI: InChI=1S/Ce.2O
(5)Std. InChIKey: CETPSERCERDGAM-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LD50 | oral | > 5gm/kg (5000mg/kg) | Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 12, Pg. 617, 1993. |
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