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| CAS No.: | 20427-58-1 |
|---|---|
| Name: | ZINC HYDROXIDE |
| Molecular Structure: | |
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| Formula: | H2O2Zn |
| Molecular Weight: | 99.39 |
| Synonyms: | Zinchydroxide (8CI);Zinc dihydroxide; |
| EINECS: | 243-814-3 |
| Density: | 3.053g/Cm3 |
| Melting Point: | 125, decomposes [HAW93] |
| Boiling Point: | 100 °C at 760 mmHg |
| Solubility: | slightly soluble H2O [HAW93] |
| Appearance: | solid |
| Risk Codes: | C: Corrosive:;<">
 C: Corrosive:;<
|
| PSA: | 46.12000 |
| LogP: | -0.35610 |
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Specification
The IUPAC name of this chemical is Zinc hydroxide. With the CAS registry number 20427-58-1 and EINECS registry number 243-814-3, it is also named as Zinc dihydroxide. In addition, the molecular formula is H2O2Zn and the molecular weight is 99.42. It belongs to the class of Inorganics. And it will dissolve readily in a dilute solution of a strong acid, such as HCl, and also in a solution of an alkali such as sodium hydroxide. What's more, it also dissolves in aqueous ammonia to form a colourless, water-soluble ammine complex.
Physical properties about this chemical are: (1)ACD/LogP: -1.38; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1; (4)ACD/LogD (pH 7.4): -1; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): ; (8)ACD/KOC (pH 7.4): ; (9)#H bond acceptors: 1; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 20.23 Å2; (13)Enthalpy of Vaporization: 40.65 kJ/mol; (14)Boiling Point: 100 °C at 760 mmHg; (15)Vapour Pressure: 24.5 mmHg at 25°C.
Uses and preparation of Zinc hydroxide: it can be used as an absorbent in surgical dressings. And it also can be used in the production of zinc compounds, such as Zinc oxide, zinc sulfate, zinc nitrate, etc. In addition, it can be prepared by adding sodium hydroxide solution, but not in excess, to a solution of any zinc salt. The equation is as follows: Zn2+ + 2OH- → Zn(OH)2. If excess sodium hydroxide is added, the precipitate of zinc hydroxide will dissolve, forming a colorless solution of zincate ion. The equation is as follows: Zn(OH)2 + 2OH- → Zn(OH)42-.
You can still convert the following datas into molecular structure:
(1)SMILES: [Zn+2].[OH-].[OH-]
(2)InChI: InChI=1/2H2O.Zn/h2*1H2;/q;;+2/p-2
(3)InChIKey: UGZADUVQMDAIAO-NUQVWONBAV