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Squaric Acid

  • CAS No:2892-51-5 3,4-dihydroxycyclobut-3-ene-1,2-dione
    Molecular Structure

    Other Information

  • CAS Registry Number: 2892-51-5
  • Transport: UN 3261
  • Melting Point: 293 ºC
  • Flash Point: 190 ºC
  • Density: 2.415 g/cm3
  • Refractive index: 1.629
  • Water Solubility: 20 G/L (30 ºC)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29144090
  • Flash Point: 190 ºC
  • EINECS: 220-761-4
  • Molecular Weight: 114.05628
  • InchiKey: PWEBUXCTKOWPCW-UHFFFAOYSA-N
  • InChI: InChI=1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H
  • Risk Statements: S26;S37/39
  • Molecular Formula: C4H2O4