Selenium(IV) oxide, 250 g
Order number: 7446-08-4
Part number: AC100023905
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Selenium(IV) Oxide is noted for its consistent composition and reliable behavior, as evidenced by its molecular formula O2Se and molecular weight of 110.97. It sublimes at 315.0 °C, while it melts under pressure at 340 °C. Due to its hazardous nature, it carries the signal word 'Danger'.
- CAS Number: 7446-08-4
- GHS Signal Word: Danger
- Exact Mass: 111.90635
- Vapour Density: 3.95 at 68 °F
- Molecular Weight: 110.97
- Molecular Formula: O2Se
- Melting Point: 340 °C under pressure
- Boiling Point: 315.0 °C (sublimes)
- Hazard Statements:
- H300: Fatal if swallowed [Danger Acute toxicity, oral]
| Name | Value | |
|---|---|---|
| ADR | : | 6.1 III |
| WGK | : | 2 |
| EG-Nr. | : | 231-194-7 |
| UN-Nr. | : | 3283 |
| CAS No. | : | 7446-08-4 |
| Density (D) | : | 3,95 g/cm³ |
| Molar mass (M) | : | 110,96 g/mol |
| Melting point (mp) | : | 340 °C |
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