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Selenium

CAS 7782-49-2 · Se
Hazard class
Danger — Toxic, Health hazard
Pictograms
ToxicHealth hazard
H-statements
  • H331 Toxic if inhaled
  • H301 Toxic if swallowed
  • H373 May cause damage to organs through prolonged or repeated exposure
  • H413 May cause long lasting harmful effects to aquatic life
Common uses (US EPA CDR)
Plating agentIntermediateFuel agents
Workplace exposure limits
NIOSH REL *: TWA 0.2 mg/m3
OSHA PEL *: TWA 0.2 mg/m3 , [*Note: The REL and PEL also apply to other selenium 9102 (II-7) S compounds (as Se) except Selenium hexafluoride.]
IDLH 1 mg/m3 (as Se)
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
SELENIUM · 7782-49-2 · Elemental selenium · Selenium elemental · Selenium, elemental · Vandex · Selen · Gray selenium
Molecular weight
78.97 g/mol
Browse similar
Toxic · Health hazard
Data source
Harmonised classification ECHA — EU CLP Annex VI
Legally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.
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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.