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| CAS No.: | 12014-56-1 |
|---|---|
| Name: | Cerium tetrahydroxide |
| Molecular Structure: | |
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|
|
| Formula: | CeH4O4 |
| Molecular Weight: | 208.149 |
| Synonyms: | Ceriumhydroxide (Ce(OH)4) (6CI,7CI,8CI);Ceric hydroxide;Cerium (IV) hydroxide;Cerium tetrahydroxide;CID82798; |
| EINECS: | 234-599-7 |
| Boiling Point: | 100oC at 760 mmHg |
| Solubility: | insoluble in water and weak acid, soluble in concentrated acid |
| Appearance: | yellow or brown powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36 |
| Safety: | 26 |
| PSA: | 80.92000 |
| LogP: | -0.70720 |
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| Conditions | Yield |
|---|---|
| In water at pH = 5.8 - 6.1;; pptn.;; | |
| In water |
| Conditions | Yield |
|---|---|
| In water at pH = 6.2 - 6.5;; pptn.;; | |
| In water |
| Conditions | Yield |
|---|---|
| In water addition of a 0.1 M solution of Ca(OCl)2 in H2O to a 0.1 M CeCl3 solution;; 82.2 % CeO2, 0.85 % Cl2 and 16.8 % H2O;; |
- 7732-18-5
water
- 12014-56-1
cerium(IV) hydroxide
| Conditions | Yield |
|---|---|
| With Ce-amalgam In not given byproducts: H2; |
| Conditions | Yield |
|---|---|
| byproducts: H2; |
| Conditions | Yield |
|---|---|
| In not given byproducts: HOCl, Cl(1-); |
| Conditions | Yield |
|---|---|
| In neat (no solvent) inflammation;; |
| Conditions | Yield |
|---|---|
| With NH3 In ammonia aq. NH3; pptg. with 15 M aq. NH3 from aq. soln. of Ce-salt; |
| Conditions | Yield |
|---|---|
| In water Kinetics; byproducts: H2, C2H2; 20°C; | |
| In neat (no solvent) Kinetics; byproducts: C2H2, H2; reaction of water vapour with arc-melted beads (100 mg) of dicarbide at constant temp. in the range 0-60°C; no isolation, thermogravimetric and pressure monitoring; |
- 12014-56-1
cerium(IV) hydroxide
| Conditions | Yield |
|---|---|
| With ammonia In water addition of an excess of aq. NH3 to a hot solution of Ce(NO3)3 in H2O, washing and drying in air;; mixture of Ce(4+) and Ce(3+);; |
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Specification
The Cerium(4+) tetrahydroxide with CAS registry number of 12014-56-1 is also known as Cerium (IV) hydroxide. The IUPAC name is Cerium tetrahydrate. Its EINECS registry number is 234-599-7. In addition, the formula is CeH4O4 and the molecular weight is 208.15. This chemical is a yellow or brown powder and should be stored in sealed containers in cool and dry place.
Physical properties about Cerium(4+) tetrahydroxide are: (1)H-Bond Donor: 4; (2)H-Bond Acceptor: 4; (3)Rotatable Bond Count: 0; (4)Exact Mass: 211.947693; (5)MonoIsotopic Mass: 211.947693; (6)Topological Polar Surface Area: 4; (7)Heavy Atom Count: 5; (8)Formal Charge: 0; (9)Complexity: 3.6; (10)Covalently-Bonded Unit Count: 5.
Preparation of Cerium(4+) tetrahydroxide: Boiling the solution of Ce4+ with NaOH to obtain granular products. Adding NaOH or NH3 · H2O solution to get gelatinous precipitate of CeO2·xH2O (x = 0.5~2), then it is dried to get the product.
Uses of Cerium(4+) tetrahydroxide: This chemical can be used as bleaching agent and clarifier of glass, ball agent of ductile iron, raw material for smelting silicon alloy and additive in electroplating technology. It is used in preparation of automobile exhaust catalyst and PVC stabilizer. Besides, it also can be used in the synthesis of naphthalene acid cerium.
When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes. 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: [Ce+3].[OH-].[OH-].[OH-].[OH-]
2. InChI: InChI=1/Ce.4H2O/h;4*1H2/q+3;;;;/p-4
3. InChIKey: CYHJHZRTJFAJAR-XBHQNQODAC
4. Std. InChI: InChI=1S/Ce.4H2O/h;4*1H2/q+3;;;;/p-4
5. Std. InChIKey: CYHJHZRTJFAJAR-UHFFFAOYSA-J
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