Selenium
ALDRICH/204307 - pellets, <5 mm particle size, ≥99.999% trace metals basis
CAS Number: 7782-49-2
Empirical Formula (Hill Notation): Se
Molecular Weight: 78.96
EC Number: 231-957-4
MDL Number: MFCD00134090
Linear Formula: Se
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: 204307-20G
This image depicts SKU: 204307-20G
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: 204307-5G
This image depicts SKU: 204307-5G
| assay | ≥99.999% trace metals basis |
| bp | 684.9 °C (lit.) |
| density | 4.81 g/mL at 25 °C (lit.) |
| description | gray |
| form | pellets |
| InChI | 1S/Se |
| InChI key | BUGBHKTXTAQXES-UHFFFAOYSA |
| mp | 217 °C (lit.) |
| particle size | <5 mm |
| Quality Level | 100  |
| resistivity | 1.2 μΩ-cm, 0°C |
| SMILES string | [Se] |
| Application: | Selenium has been used as a starting material tosynthesize selenium nanoparticles. |
| General description: | Selenium is a non-metallic p-type semiconductor and is commercially produced as a by-product in refining sulfide-bearing copper minerals. It has good photovoltaic and photoconductive properties and is extensively used in the electronics such as solar cells, light meters, and, photocells. It also finds application in the field of ceramics, pigments, metallurgy, agriculture, glasses, and lubricants. |
| Packaging: | 5, 20, 100 g in poly bottle |
| Symbol |   GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H301 + H331 - H373 - H413 |
| Precautionary statements | P260 - P264 - P273 - P301 + P310 - P304 + P340 + P311 - P314 |
| Hazard Codes | T |
| Risk Statements | 23/25-33-53 |
| Safety Statements | 20/21-28-45-61 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.999% trace metals basis |
| bp | 684.9 °C (lit.) |
| mp | 217 °C (lit.) |
| Density | 4.81 g/mL at 25 °C (lit.) |
| UNSPSC | 12352300 |