Selenium Dioxide 250Grm
(sublimed) for synthesis
Manufacturer: Merck
Catalog ID: 800653.0250
Stock: In Stock
Description
| Catalogue Number | 800653 |
| Synonyms | Selenious anhydride, Selenium(IV) oxide |
Product Information
| CAS number | 7446-08-4 |
| EC index number | 034-002-00-8 |
| EC number | 231-194-7 |
| Hill Formula | O₂Se |
| Chemical formula | SeO₂ |
| Molar Mass | 110.96 g/mol |
| HS Code | 2811 29 90 |
Physicochemical Information
| Density | 3.95 g/cm3 (20 °C) |
| Melting Point | 340 °C |
| pH value | 2 (10 g/l, H₂O, 20 °C) |
| Vapor pressure | <1 Pa (20 °C) |
| Solubility | 1353 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 68.1 mg/kg |
Storage and Shipping Information
| Storage | Store below +30°C. |
Specifications
| Assay (iodometric) | ≥ 98.0 % |