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Calcium oxide

CAS 1305-78-8 · CaO
Hazard class
Danger — Corrosive, Irritant / harmful, Health hazard
Pictograms
CorrosiveIrritant / harmfulHealth hazard
H-statements
  • H302 Harmful if swallowed
  • H314 Causes severe skin burns and eye damage
  • H315 Causes skin irritation
  • H318 Causes serious eye damage
  • H335 May cause respiratory irritation
  • H370 Causes damage to organs
  • H372 Causes damage to organs through prolonged or repeated exposure
  • H303 May be harmful if swallowed
  • H304 May be fatal if swallowed and enters airways
  • H371 May cause damage to organs
Workplace exposure limits
NIOSH REL TWA 2 mg/m3
OSHA PEL TWA 5 mg/m3
IDLH 25 mg/m3
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
215-138-9 · Calcia · Calxyl · Gebrannter kalk · Unslaked lime · Calcium monoxide · Airlock · CALX
Molecular weight
56.08 g/mol
Browse similar
Corrosive · Irritant / harmful · Health 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.