Copper(I) selenide
ALDRICH/481629 - 99.95% trace metals basis
Synonym: Cuprous selenide; Dicopper monoselenide; Dicopper selenide
CAS Number: 20405-64-5
Empirical Formula (Hill Notation): Cu2Se
Molecular Weight: 206.05
EC Number: 243-796-7
MDL Number: MFCD00049908
Linear Formula: Cu2Se
Product Type: Chemical
| assay | 99.95% trace metals basis |
| density | 6.84 g/mL at 25 °C (lit.) |
| form | powder and chunks |
| greener alternative category | Enabling  , |
| greener alternative product characteristics | Design for Energy Efficiency Learn more about the Principles of Green Chemistry . |
| InChI | 1S/2Cu.Se |
| InChI key | KTLOQXXVQYUCJU-UHFFFAOYSA |
| SMILES string | [Cu][Se][Cu] |
| sustainability | Greener Alternative Product |
| Application: | Copper(I) selenide (Cu2Se) is a semiconductor material, which exists in cubic, tetragonal or orthorhombic forms. It forms thin films, which can be used as solar cell materials, optical filters, thermoelectric converters, electro-optical devices, and microwave shield coatings. |
| General description: | Copper selenide is an ionic conductor. 1 In nature, it occurs as mineral berzelianite. 2 Copper selenide may be prepared galvanically by coupled copper metal oxidation and Se reduction in alkaline selenosulfate (Na2SeSO3). |
| General description: | We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here . |
| Packaging: | 5 g in poly bottle |
| Packaging: | Packaged in poly bottles |
| Symbol |    GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H301 + H331 - H373 - H410 |
| Precautionary statements | P273 - P301 + P310 + P330 - P304 + P340 + P311 - P314 |
| Hazard Codes | T,N |
| Risk Statements | 23/25-33-50/53 |
| Safety Statements | 20/21-28-45-60-61 |
| RIDADR | UN 3283 6.1 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.95% trace metals basis |
| Density | 6.84 g/mL at 25 °C (lit.) |
| UNSPSC | 12352300 |