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| CAS No.: | 21041-95-2 |
|---|---|
| Name: | Cadmium hydroxide |
| Molecular Structure: | |
|
|
|
| Formula: | CdH2O2 |
| Molecular Weight: | 146.42 |
| Synonyms: | Cadmiumhydroxide (8CI);Cadmium dihydroxide;AI3-09097;401560_ALDRICH;CID62749;LS-48529; |
| EINECS: | 244-168-5 |
| Density: | 4.79 g/cm3 |
| Melting Point: | 130 °C |
| Boiling Point: | 300 °C |
| Solubility: | water: 0.026 g/100 mL |
| Appearance: | white crystal or powder |
| Hazard Symbols: |
 Xn, N
|
| Risk Codes: | 20/21/22-50/53 |
| Safety: | 60-61 |
| Transport Information: | UN 2570 |
| PSA: | 40.46000 |
| LogP: | -0.35610 |
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Consensus Reports
IARC Cancer Review: Group 1 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 58 , 1993,p. 119.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 58 , 1993,p. 119.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 58 , 1993,p. 119.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory.
Specification
The Cadmium hydroxide with CAS registry number of 21041-95-2 is also known as Cadmium (II) hydroxide. The IUPAC name is Cadmium dihydrate. It belongs to product categories of Cadmium Salts; CadmiumMetal and Ceramic Science; Catalysis and Inorganic Chemistry; Chemical Synthesis; Salts. Its EINECS registry number is 244-168-5. In addition, the formula is CdH2O2 and the molecular weight is 146.42. This chemical is a white crystal or powder and should be stored in sealed containers in cool, dry place and away from oxidizing agents, acid and water.
Physical properties about Cadmium hydroxide are: (1)ACD/LogP: -1.38; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.38; (4)ACD/LogD (pH 7.4): -1.38; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)#H bond acceptors: 1; (8)#H bond donors: 2; (9)#Freely Rotating Bonds: 0; (10)Polar Surface Area: 20.23Å2; (11)Enthalpy of Vaporization: 40.65 kJ/mol; (12)Boiling Point: 100 °C at 760 mmHg; (13)Vapour Pressure: 24.5 mmHg at 25 °C.
Preparation of Cadmium hydroxide: it is prepared by treating cadmium nitrate with sodium hydroxide. Cadmium hydroxide is more basic than zinc hydroxide for attempting preparation from other cadmium salts. When treated with concentrated caustic soda solution, it forms the anionic complex Cd(OH)42-.
Cd(NO3)2 + 2NaOH → Cd(OH)2 + 2NaNO3
Uses of Cadmium hydroxide: it is generated in storage battery anodes, in nickel-cadmium and silver-cadmium storage batteries in its discharge. The hydroxide is used in place of cadmium oxide for variety of operations.
Ni(OH)2 + Cd → Cd(OH)2 + Ni
When you are using this chemical, please be cautious about it. As a chemical, it is harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. What's more, it is harmful by inhalation, in contact with skin and if swallowed. During using it, this material and its container must be disposed of as hazardous waste and avoid release to the environment.
You can still convert the following datas into molecular structure:
1. SMILES: [Cd+2].[OH-].[OH-]
2. InChI: InChI=1/Cd.2H2O/h;2*1H2/q+2;;/p-2
3. InChIKey: PLLZRTNVEXYBNA-NUQVWONBAA
4. Std. InChI: InChI=1S/Cd.2H2O/h;2*1H2/q+2;;/p-2
5. Std. InChIKey: PLLZRTNVEXYBNA-UHFFFAOYSA-L