Hazard classDanger — Toxic, Health hazard, Corrosive
PictogramsToxicHealth hazardCorrosive
H-statements- H331 Toxic if inhaled
- H312 Harmful in contact with skin
- H301 Toxic if swallowed
- H373 May cause damage to organs through prolonged or repeated exposure
- H314 Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
Common uses (US EPA CDR)IntermediateCorrosion inhibitorChelating agentEtching agentPlating agent
Synonyms2-Butyne-1,4-diol · But-2-yne-1,4-diol · Butynediol · 1,4-Dihydroxy-2-butyne · 1,4-BUTYNEDIOL · Bis(hydroxymethyl)acetylene · 2-Butynediol · Agrisynth B3D
Molecular weight86.09 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.