Cobalt(II) hydroxide
ALDRICH/342440 - technical grade, 95%
Synonym: Cobalt dihydroxide; Cobalt(2+) hydroxide; Cobaltous hydroxide
CAS Number: 21041-93-0
Empirical Formula (Hill Notation): H2CoO2
Molecular Weight: 92.95
EC Number: 244-166-4
MDL Number: MFCD00016015
Linear Formula: Co(OH)2
Product Type: Chemical
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This image depicts SKU: 342440-250G
This image depicts SKU: 342440-250G
| application(s) | battery precursors catalysts material synthesis precursor |
| assay | 95% |
| density | 3.597 g/mL at 25 °C (lit.) |
| form | powder |
| grade | technical grade |
| InChI | 1S/Co.2H2O/h;2*1H2/q+2;;/ |
| InChI key | ASKVAEGIVYSGNY-UHFFFAOYSA |
| Quality Level | 200  |
| reaction suitability | core: cobalt |
| SMILES string | O[Co]O |
| Application: | Cobalt(II) hydroxide can be used in the research and development : • As an additive in Ni-based rechargeable alkaline batteries, including Ni-Cd and Ni-MH batteries, to improve their electrochemical performance. • To synthesize reduced graphene oxide/cobalt hydroxide (rGO/Co(OH)2) composite material, which exhibits enhanced electrochemical performance for supercapacitor applications. • As a electrode material for high-performance supercapacitors. It exhibits high specific capacitance and long cycling stability, making it a promising electrode material for supercapacitors. |
| General description: | Cobalt(II) hydroxide is a versatile compound with various applications in battery manufacturing, sensors, supercapacitor, and magnetic materials. It is also used as a key component in the production of rechargeable lithium-ion batteries. Additionally, it is also used in electrochemical reactions, including the oxidation of glucose and the oxygen evolution reaction (OER). |
| Packaging: | 250 g in poly bottle |
| Symbol |    GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H302 - H317 - H319 - H330 - H334 - H350 - H360 - H410 |
| Precautionary statements | P273 - P280 - P301 + P312 - P302 + P352 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | Xn,N |
| Risk Statements | 20/22-40-42/43-50/53 |
| Safety Statements | 26-36-37/39 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 95% |
| Density | 3.597 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |