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butan-2-ol [1] (S)-butan-2-ol [2] (R)-butan-2-ol [3] (±)-butan-2-ol [4]

CAS 78-92-2 · C4H10O
Hazard class
Warning — Flammable, Irritant / harmful
Pictograms
FlammableIrritant / harmful
H-statements
  • H226 Flammable liquid and vapour
  • H335 May cause respiratory irritation
  • H336 May cause drowsiness or dizziness
  • H319 Causes serious eye irritation
Common uses (US EPA CDR)
SolventWetting agent (non-aqueous)Dispersing agentLubricating agentIntermediate
Workplace exposure limits
NIOSH REL TWA 100 ppm (305 mg/m3) ST 150 ppm (455 mg/m3)
OSHA PEL TWA 150 ppm (450 mg/m3)
IDLH 2000 ppm
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
2-Butanol · Butan-2-ol · sec-Butanol · SEC-BUTYL ALCOHOL · 2-Butyl alcohol · Butylene hydrate · 1-Methyl-1-propanol · Methyl ethyl carbinol
Molecular weight
74.12 g/mol
Browse similar
Flammable · Irritant / harmful
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.