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| Name |
Cobalt hydroxide |
EINECS | 244-166-4 |
| CAS No. | 21041-93-0 | Density | 3.597 g/mL at 25 °C(lit.) |
| PSA | 40.46000 | LogP | -0.35360 |
| Solubility | N/A | Melting Point |
°Cd ec.) |
| Formula | H2CoO2 | Boiling Point | 100 °C at 760 mmHg |
| Molecular Weight | 92.95 | Flash Point | N/A |
| Transport Information | N/A | Appearance | Rose red powder |
| Safety | 26-37/39 | Risk Codes | 20/21/22-36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xn
|
| Synonyms |
Cobalt(2+) hydroxide;Cobalt(II) hydroxide;Cobaltous hydroxide; |
Cobalt hydroxide Chemical Properties
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
Cobalt hydroxide 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
Cobalt hydroxide 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 .
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