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Selenium(IV) oxide, 99.4% (metals basis), Thermo Scientific Chemicals
Description
It is used in the manufacture of other selenium compounds. Selenium dioxide is an oxidizing agent mostly used in the allylic oxidation of alkenes to produce allylic alcohols. It is used in creating colorless glass and toner in photographic developing.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Specifications
| Melting Point | 340°C to 350° (sublimation) |
| Color | White |
| Physical Form | Powder |
| Quantity | 500 g |
| Assay Percent Range | 99.4% (Metals Basis) |
| Solubility Information | Partially soluble in water,methanol,ethanol,and acetone. Soluble in concentrated sulfuric acid. |
| IUPAC Name | (oxo-λ⁴-selanylidene)oxidane |
| Formula Weight | 110.96 |
| Odor | Odorless |
| Density | 3.95 |
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Safety and Handling
| Hazard Category | H301-H310+H330-H314-H341-H373 |
| Hazard Statement | When using do not eat, drink or smoke. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). This material and/or its container must be disposed of as hazardous waste. Avoid release to the environment. |
| Precautionary Statement | P201-P202-P261-P262-P264b-P270-P280-P285-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P308+P313-P310-P330-P363-P501c |
| DOTInformation | DOT Class: 6.1, Packaging Group: II |
| EINECSNumber | 231-194-7 |
| RTECSNumber | VS8575000 |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
RUO – Research Use Only
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