◆ Reagent
Browse › Chemical

Squaric acid

CAS 2892-51-5 · C4H2O4
Hazard class
Warning — Irritant / harmful
Pictograms
Irritant / harmful
H-statements
  • H315 Causes skin irritation
  • H317 May cause an allergic skin reaction
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
Synonyms
Squaric acid · 2892-51-5 · Quadratic acid · 3,4-dihydroxycyclobut-3-ene-1,2-dione · Quadratsaeure · 1,2-Diketo-3,4-dihydroxycyclobutene · Dihydroxycyclobutenedione · DTXSID9049409
Molecular weight
114.06 g/mol
Browse similar
Irritant / harmful
Data source
Aggregated classification PubChem
GHS aggregated by PubChem from registrant and agency submissions; not individually harmonised. Always verify against the official SDS before compliance use.
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