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Calcium Hydroxide

CAS 1305-62-0 · CaH2O2
Hazard class
Danger — Corrosive, Irritant / harmful, Health hazard
Pictograms
CorrosiveIrritant / harmfulHealth hazard
H-statements
  • 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
  • H373 May causes damage to organs through prolonged or repeated exposure
  • H402 Harmful to aquatic life
Common uses (US EPA CDR)
pH regulating agentAbsorbentIntermediateLubricating agentProcessing aids not otherwise specifiedAdhesion/cohesion promoter
Workplace exposure limits
NIOSH REL TWA 5 mg/m3
OSHA PEL TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
IDLH N.D.
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
CALCIUM HYDROXIDE · 1305-62-0 · Slaked lime · Hydrated lime · Lime hydrate · Calcium hydrate · Lime water · Calcium hydroxide (Ca(OH)2)
Molecular weight
74.09 g/mol
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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