Maintenance notice in CEST time zone (1:00 - 3:30 AM May 17, 2026): Our website is scheduled for maintenance. The website will be available, but some functions may experience errors. We appreciate your patience and understanding.
Published TCIMAIL newest issue No.201
Maximum quantity allowed is 999
Please select the quantity
CAS RN: 7446-08-4 | Product Number: E1459
Selenium Dioxide
×
Purity: >98.0%
Synonyms:
- Selenium(IV) Oxide
- Oxoselane Oxide
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
Shipping Information
|
|---|---|---|---|---|---|
| 25G |
32,00 €
|
21 | ≥100 |
|
|
| 100G |
69,00 €
|
8 | ≥40 |
|
* Stock available in Belgium: Shipment on the same day
* Stock available in Japan: Please check the Shipping Simulation for estimated shipments. (excludes regulated items and dry ice shipments)
| Product Number | E1459 |
Purity / Analysis Method 
|
>98.0% |
| Molecular Formula / Molecular Weight | SeO__2 = 110.96 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| CAS RN | 7446-08-4 |
| Reaxys Registry Number | 1209257 |
| PubChem Substance ID | 468591800 |
| MDL Number | MFCD00003562 |
Specifications
| Appearance | White to Almost white powder to crystal |
| Purity | min. 98.0 % |
Properties (reference)
| Melting Point | 340 °C |
| Degree of solubility in water | 400 g/l 20 °C |
| Solubility (soluble in) | Methanol, Benzene, Ethanol |
| Solubility (slightly sol. in) | Acetone |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H301 + H331 : Toxic if swallowed or if inhaled. H314 : Causes severe skin burns and eye damage. H370 : Causes damage to organs. H372 : Causes damage to organs through prolonged or repeated exposure. H373 : May cause damage to organs through prolonged or repeated exposure. H410 : Very toxic to aquatic life with long lasting effects. |
| Precautionary Statements | P273 : Avoid release to the environment. P260 : Do not breathe dust. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P391 : Collect spillage. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P403 + P233 : Store in a well-ventilated place. Keep container tightly closed. |
Related Laws:
| EC Number | 231-194-7 |
| RTECS# | VS8575000 |
Transport Information:
| UN Number | UN3283 |
| Class | 6.1 |
| Packing Group | III |
| HS Number | 2811299090 |
Documents
Product Articles
Product Documents (Note: Some products will not have analytical charts available.)
Safety Data Sheet (SDS)
Please select Language.
The requested SDS is not available.
Please Contact Us for more information.
Specifications
C of A & Other Certificates
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
Sample C of A
This is a sample C of A and may not represent a recently manufactured lot of the product.
A sample C of A for this product is not available at this time.
Analytical Charts
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
The requested analytical chart is not available. Sorry for the inconvenience.