Hazard classWarning — Irritant / harmful
PictogramsIrritant / harmful
H-statements- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
SynonymsSquaric acid · 2892-51-5 · Quadratic acid · 3,4-dihydroxycyclobut-3-ene-1,2-dione · Quadratsaeure · 1,2-Diketo-3,4-dihydroxycyclobutene · Dihydroxycyclobutenedione · DTXSID9049409
Molecular weight114.06 g/mol
Data sourceAggregated classification PubChemGHS aggregated by PubChem from registrant and agency submissions; not individually harmonised. Always verify against the official SDS before compliance use.