5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid

• Product Name5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid
  CAS No.499-78-5
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  Molecular Structure

Other Information

• CAS Registry Number: 499-78-5
• Melting Point: 284-294 °C
• Flash Point: 187.7°C
• Boiling Point: 420.7°Cat760mmHg
• Density: 1.819g/cm³
• Refractive index: 1.66
• Safety Statements:

  Hazard Codes	Xn
  Risk Statements	22

• Hazard Symbols: Xn: Harmful;
• Flash Point: 187.7°C
• EINECS: 207-891-7
• Molecular Weight: 156.09296
• InchiKey: UUUICOMMFFTCHS-UHFFFAOYSA-N
• InChI: InChI=1S/C6H4O5/c7-3-1-5(6(9)10)11-2-4(3)8/h1-2,8H,(H,9,10)
• Risk Statements: 22
• Molecular Formula: C₆H₄O₅