Sodium Hydroxide
CAS 1310-73-2 · HNaO
Hazard classDanger — Corrosive
PictogramsCorrosive
H-statements- H314 Causes severe skin burns and eye damage
Common uses (US EPA CDR)Processing aids not otherwise specifiedpH regulating agentIntermediateBleaching agentProcessing aids, specific to petroleum productionCleaning agent
Workplace exposure limitsNIOSH REL C 2 mg/m3
OSHA PEL TWA 2 mg/m3
IDLH 10 mg/m3Occupational exposure limits — NIOSH Pocket Guide.
SynonymsSODIUM HYDROXIDE · 1310-73-2 · Caustic soda · Sodium hydrate · Aetznatron · Soda lye · White caustic · Soda, caustic
Molecular weight39.997 g/mol
Data sourceHarmonised classification ECHA — EU CLP Annex VILegally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.
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