Browse › Chemical

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.

Search the full chemical database →

GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). Reagent 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.