| CAS No.: | 7446-08-4 |
|---|---|
| Formula: | O2se |
| EINECS: | 231-194-7 |
| Type: | Synthesis Material Intermediates |
| Appearance: | Powder |
| Quality: | Industrial |
| Customization: |
|---|
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Audited Supplier Selenium dioxide for Oxidizer Cas 7446-08-4 Selenious acid anhydride
| Selenium dioxide Basic information | |
| Product Name: | Selenium dioxide |
| CAS: | 7446-08-4 |
| MF: | O2Se |
| MW: | 110.96 |
| EINECS: | 231-194-7 |
| Mol File: | 7446-08-4.mol |
| Selenium dioxide Chemical Properties | |
| Melting point | 315 °C (subl.)(lit.) |
| Boiling point | 684.9 °C(lit.) |
| density | 4.81 g/mL at 25 °C(lit.) |
| vapor pressure | 1 mm Hg ( 157 °C) |
| refractive index | nD20 <1.76 |
| Fp | 315°C |
| storage temp. | Store below +30°C. |
| solubility | H2O: soluble |
| form | powder |
| color | white |
| Specific Gravity | 3.95 |
| PH | 2 (10g/l, H2O, 20ºC) |
| Water Solubility | 38.4 g/100 mL (14 ºC) |
| Sublimation | 315 ºC |
| Merck | 148,434 |
| EPA Substance Registry System | Selenium dioxide (7446-08-4) |
|
Test |
Result |
| Purity | ≥99.0%min |
| Loss on drying | ≤1.0% |
| Sulfate | ≤0.03% |
| Insoluble matter | ≤0.02% |
|
Heavy metal |
≤0.0008 |
|
Fe |
≤0.002% |
| Cl | ≤0.005% |
|
Conclusion |
Pass |
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Audited Supplier 
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