Selenium Powder Black 99.5% Extrapure
Product Code. |
02288 |
Grade |
Extrapure |
Purity |
99% |
CAS No. |
7782-49-2 |
Molecular Formula |
Se |
Molecular Weight |
78.96 |
H.S.Code |
2804.90000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Black powder |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
217 °C |
Boiling point [°C] |
685 °C |
Density [g/cm3] |
4.81 |
| Solubility in water [% weight] |
Insoluble in water |
Packaging
Specification
| Appearance | Gray to black powder |
| Assay (by HClO4 titration) | Min 99% |
| Trace metal analysis | Max 0.5% |
Safety Information and Hazard Symbols
Symbol: GHS06, GHS08
Signal Word: Danger
UN No.: 3077
IMCO Class No.: 9
Packing Group: III
Hazardous Statement: H301-H331-H373-H413
Precaution Statement: P261-P301 + P310-P311