| CAS No.: | 7782-49-2 |
|---|---|
| Formula: | Se |
| EINECS: | 231-957-4 |
| Classification: | Metal |
| Appearance: | Solid |
| Grade Standard: | Industrial Grade |
| Customization: |
|---|
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Audited Supplier Nitrogen fixing catalyst Selenium with 99.9% purity CAS 7782-49-2
| Selenium Basic information | |
| Product Name: | Selenium |
| CAS: | 7782-49-2 |
| MF: | Se |
| MW: | 78.96 |
| EINECS: | 231-957-4 |
| Mol File: | 7782-49-2.mol |
| Selenium Chemical Properties | |
| Melting point | 217 °C (lit.) |
| Boiling point | 684.9 °C (lit.) |
| density | 4.81 g/mL at 25 °C (lit.) |
| vapor pressure | <1 Pa (20 °C) |
| storage temp. | no restrictions. |
| solubility | H2O: soluble |
| form | powder |
| color | White to creamy white |
| Specific Gravity | 4.81 |
| resistivity | 1.2 μΩ-cm, 0°C |
| Water Solubility | Insoluble |
| Merck | 138,505 |
| Exposure limits | TLV-TWA 0.2 mg(Se)/m3 (ACGIH, MSHA, and OSHA); IDLH 100 mg/m3. |
| Stability: | Stable. Incompatible with strong acids, strong oxidizing agents and most common metals. Combustible. |
| InChIKey | SPVXKVOXSXTJOY-UHFFFAOYSA-N |
| CAS DataBase Reference | 7782-49-2(CAS DataBase Reference) |
| IARC | 3 (Vol. 9, Sup 7) 1987 |
| NIST Chemistry Reference | Selenium atom(7782-49-2) |
| EPA Substance Registry System | Selenium (7782-49-2) |
| ITEMS | SPECIFICATIONS |
| Se | ≥ 99.9% |
| Ni | ≤ 0.001% |
| Te | ≤ 0.01% |
| Cb | ≤ 0.001% |
| Cu | ≤ 0.006% |
| Pb | ≤ 0.003% |
| Fe | ≤ 0.03% |
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