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| CAS No.: | 21041-93-0 |
|---|---|
| Name: | Cobalt(III) hydroxide |
| Molecular Structure: | |
|
|
|
| Formula: | H2CoO2 |
| Molecular Weight: | 92.95 |
| Synonyms: | Cobalt(2+) hydroxide;Cobalt(II) hydroxide;Cobaltous hydroxide; |
| EINECS: | 244-166-4 |
| Density: | 3.597 g/mL at 25 °C(lit.) |
| Melting Point: | °Cd ec.) |
| Boiling Point: | 100 °C at 760 mmHg |
| Appearance: | Rose red powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 20/21/22-36/37/38 |
| Safety: | 26-37/39 |
| PSA: | 40.46000 |
| LogP: | -0.35360 |
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Chemistry
Empirical Formula: H2CoO2
Molecular Weight: 92.9479
Nominal Mass: 93 Da
Average Mass: 92.9479 Da
Monoisotopic Mass: 92.938679 Da
Enthalpy of Vaporization: 40.65 kJ/mol
Boiling Point: 100 °C at 760 mmHg
Vapour Pressure: 24.5 mmHg at 25 °C
Sensitive: Air sensitive
Appearance: Rose red powder
Structure of Cobalt (II) hydroxide (CAS NO.21041-93-0):
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IUPAC Name: Cobalt dihydrate
Canonical SMILES: O.O.[Co]
InChI: InChI=1S/Co.2H2O/h;2*1H2
InChIKey: PKSIZOUDEUREFF-UHFFFAOYSA-N
Product Category of Cobalt (II) hydroxide (CAS NO.21041-93-0): Inorganics;Cobalt Salts;Metal and Ceramic Science
Safety Profile
Hazard Codes of Cobalt (II) hydroxide (CAS NO.21041-93-0): 
Xn
Risk Statements: 20/21/22-36/37/38
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3
Specification
Cobalt (II) hydroxide , its cas register number is 21041-93-0. It also can be called Cobalt hydroxide ; Cobaltous hydroxide ; and Cobalt(2+) hydroxide .