Selenium dioxide
ALDRICH/204315 - 99.999% trace metals basis
Synonym: NSC 56753; Selenium oxide
CAS Number: 7446-08-4
Empirical Formula (Hill Notation): O2Se
Molecular Weight: 110.96
EC Number: 231-194-7
MDL Number: MFCD00003562
Linear Formula: SeO2
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: 204315-10G
| assay | 99.999% trace metals basis |
| form | solid |
| InChI | 1S/O2Se/c1-3-2 |
| InChI key | JPJALAQPGMAKDF-UHFFFAOYSA |
| mp | 315 °C (subl.) (lit.) |
| Quality Level | 200  |
| SMILES string | O=[Se]=O |
| vapor pressure | 1 mmHg ( 157 °C) |
| Application: | Mild oxidizing reagent for allylic olefins and acetylenes. Conversion of 1,3-diketones to 1,2,3-triones. |
| Packaging: | 10, 50 g in glass bottle |
| 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 / PGIII |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.999% trace metals basis |
| mp | 315 °C (subl.) (lit.) |
| UNSPSC | 12352300 |