Cobalt(II,III) oxide
ALDRICH/637025 - nanopowder, <50 nm particle size (SEM), 99.5% trace metals basis
Synonym: Cobalt tetraoxide; Cobaltic-cobaltous oxide; Tricobalt tetraoxide
CAS Number: 1308-06-1
Empirical Formula (Hill Notation): Co3O4
Molecular Weight: 240.80
MDL Number: MFCD00010939
Linear Formula: ~Co3O4
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 637025-250G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 637025-100G
| application(s) | battery manufacturing |
| assay | 99.5% trace metals basis |
| bulk density | 0.57 g/mL |
| density | 6.11 g/mL at 25 °C (lit.) |
| form | nanopowder |
| InChI | 1S/3Co.4O |
| InChI key | LBFUKZWYPLNNJC-UHFFFAOYSA |
| mp | 895 °C (dec.) (lit.) |
| particle size | <50 nm (SEM) |
| SMILES string | O=[Co].O=[Co]O[Co]=O |
| surface area | 40-70 m2/g , typical range |
| Application: | Cobalt(II,III) oxide nanoparticles can be used: • To modify the glassycarbon electrode for the detection of As(III) at nanomolar concentrationrange. • To prepare a robust photocatalyst along withcarbon nanospheres for dye degradation and hydrogen evolution reaction. • As an electrodematerial in the preparation of supercapacitors. |
| General description: | Cobalt oxide is a p-type semiconductor thatbelongs to the normal spinel crystal structure with cubic close packing ofoxide ions. It has variable oxidation states and multiple band gapenergies (2.28eV and 1.57eV). It is paramagnetic at room temperature. |
| Packaging: | 25, 100, 250 g in glass bottle |
| Symbol |  GHS08 |
| Signal word | Danger |
| Hazard statements | H334 - H350i - H412 |
| Precautionary statements | P201 - P202 - P261 - P273 - P304 + P340 + P312 - P308 + P313 |
| Hazard Codes | T |
| Risk Statements | 49-42-52/53 |
| Safety Statements | 53-22-45-61 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.5% trace metals basis |
| mp | 895 °C (dec.) (lit.) |
| Density | 6.11 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |