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Selenium dioxide

CAS 7446-08-4 · O2Se
Hazard class
Danger — Corrosive, Toxic, Irritant / harmful, Health hazard, Environmental hazard
Pictograms
CorrosiveToxicIrritant / harmfulHealth hazardEnvironmental hazard
H-statements
  • H301 Toxic if swallowed
  • H314 Causes severe skin burns and eye damage
  • H318 Causes serious eye damage
  • H331 Toxic if inhaled
  • H373 May cause damage to organs through prolonged or repeated exposure
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects
  • H319 Causes serious eye irritation
  • H370 Causes damage to organs
  • H372 Causes damage to organs through prolonged or repeated exposure
  • H300 Fatal if swallowed
  • H371 May cause damage to organs
Synonyms
231-194-7 · SELENIUM DIOXIDE · Selenious anhydride · Selenium oxide (SeO2) · Selenium dioxide dimer · Selenous acid anhydride · Selenium(IV) dioxide (1:2) · Selenium oxide (Se2O4)
Molecular weight
110.97 g/mol
Browse similar
Corrosive · Toxic · Irritant / harmful · Health hazard · Environmental hazard
Data source
Aggregated classification PubChem · REACH-registered
GHS aggregated by PubChem from registrant and agency submissions; not individually harmonised. Always verify against the official SDS before compliance use.
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GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). SNRL is a free chemical safety search. Browse categories · API · Console
Guide only. This information is compiled from published safety data sheets and public regulatory registries and is believed correct at the date of publication shown. It is not all-inclusive and shall be used only as a guide. It does not replace the manufacturer’s current Safety Data Sheet, which governs in all cases. SNRL shall not be held liable for any injury, loss or damage resulting from handling of, or contact with, any product listed.