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Hydrogen selenide

CAS 7783-07-5 · H2Se
Hazard class
Danger — Flammable, Gas under pressure, Toxic, Irritant / harmful, Health hazard, Environmental hazard
Pictograms
FlammableGas under pressureToxicIrritant / harmfulHealth hazardEnvironmental hazard
H-statements
  • H220 Extremely flammable gas
  • H280 Contains gas under pressure; may explode if heated
  • H330 Fatal if inhaled
  • 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
  • H373 May cause damage to organs through prolonged or repeated exposure
Workplace exposure limits
NIOSH REL TWA 0.05 ppm (0.2 mg/m3)
OSHA PEL TWA 0.05 ppm (0.2 mg/m3) None available
IDLH 1 ppm
Occupational exposure limits — NIOSH Pocket Guide.
Molecular weight
80.99 g/mol
Browse similar
Flammable · Gas under pressure · Toxic · Irritant / harmful · Health hazard · Environmental hazard
Data source
Aggregated classification PubChem
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). Reagent 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.