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5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid Structure

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

  • Product Name5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
  • CAS499-78-5
  • CBNumberCB5901669
  • MFC6H4O5
  • MW156.09
  • EINECS207-891-7
  • MDL NumberMFCD03085981
  • MOL File499-78-5.mol

Chemical Properties

Melting point: 284-294 °C
Boiling point: 240.29°C (rough estimate)
Density  1.5720 (rough estimate)
refractive index  1.6400 (estimate)
pka 1.70±0.20(Predicted)
form  solid
Water Solubility  5.1g/L(25 ºC)
InChI 1S/C6H4O5/c7-3-1-5(6(9)10)11-2-4(3)8/h1-2,8H,(H,9,10)
InChIKey UUUICOMMFFTCHS-UHFFFAOYSA-N
SMILES OC(=O)C1=CC(=O)C(O)=CO1
EPA Substance Registry System 4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo- (499-78-5)

Safety

Symbol(GHS)  Exclamation Mark (GHS07)
Signal word  Warning
Hazard statements  H302
Precautionary statements  P280-P305+P351+P338
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xn
Risk Statements  22
WGK Germany  3
TSCA  TSCA listed
HS Code  2932999099
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral

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5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid Chemical Properties,Usage,Production

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