Selenium dioxide, 99.9%
Selenium dioxide, 99.9% (CAS 7446-08-4) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity 99.9%.
About Selenium dioxide, 99.9%
Selenium dioxide, 99.9% sits in our synthetic, Protecting & Derivatization Reagents section and ships worldwide from stock or short lead time. Key data (99.9%): CAS 7446-08-4, formula O2Se and molar mass 110.97 g/mol. Expect white to off-white powder or crystalline powder or chunks.
Where it is used
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Ceramics & glass
Safe handling
Reported physical data: melting point 315 °C and density 3.95 g/cm3. It carries the GHS signal word Danger (H301, H314, H318 and H331), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 3283.
Standard pack sizes are 5 g, 25 g, 100 g and 1 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Ceramics & glass
Applications
Specifications and identifiers
| Product name | Selenium dioxide, 99.9% |
|---|---|
| Catalogue number | ZX-000952 |
| CAS number | 7446-08-4 |
| IUPAC name | selenium dioxide |
| Molecular formula | O2Se |
| Molar mass | 110.97 g/mol |
| Exact mass | 111.9064 |
| Purity / assay | 99.9% |
| Physical form | Powder |
| Appearance | White to off-white powder or crystalline powder or chunks |
| Melting point | 315 °C |
| Density | 3.95 g/cm3 |
| H-bond donors / acceptors | 0 / 2 |
| Topological polar surface area | 34.1 Ų |
| HS code | 28112990 |
| UN number | UN 3283 |
| InChIKey | JPJALAQPGMAKDF-UHFFFAOYSA-N |
| SMILES | O=[Se]=O |
| PubChem CID | 24007 |
| Synonyms | Selenium oxide, Selenious anhydride, Selenium oxide (SeO2), Selenium dioxide dimer, Selenous acid anhydride, Selenium oxide (Se2O4), Selenium(IV) dioxide (1:2), Selenium oxide (1:2), Oxide, Selenium, (oxo-lambda4-selanylidene)oxidane, Dioxide, Selenium, Selenium(IV) oxide |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
- H318Causes serious eye damage
- H331Toxic if inhaled
- H373May causes damage to organs through prolonged or repeated exposure
- H400Very toxic to aquatic life
- H410Very toxic to aquatic life with long lasting effects
Precautionary statements P260, P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P316, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P319, P321, P330, P363, P391, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Selenium dioxide, 99.9%
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Other grades with CAS 7446-08-4
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