Selenium
ALDRICH/209643 - pellets, <5 mm, ≥99.99% 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: 209643-250G
This image depicts SKU: 209643-250G
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: 209643-50G
This image depicts SKU: 209643-50G
| assay | ≥99.99% 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] |
| Packaging: | 50, 250 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 | ≥99.99% trace metals basis |
| bp | 684.9 °C (lit.) |
| mp | 217 °C (lit.) |
| Density | 4.81 g/mL at 25 °C (lit.) |
| UNSPSC | 12141910 |