Basic information Safety Supplier Related

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

Basic information Safety Supplier Related

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

Product Name:
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
Synonyms:
  • 5-Hydroxy-4-oxo-
  • 5-hydroxy-4-keto-pyran-2-carboxylic acid
  • 5-hydroxy-4-oxo-pyran-2-carboxylic acid
  • 5-hydroxy-4-oxopyran-2-carboxylic acid
  • 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid(SALTDATA: FREE)
  • 2-Carboxy-5-hydroxy-4-pyrone, Comenic acid
  • Comenic acid
  • 5-hydroxy-4-pyrone-2-carboxylic acid
CAS:
499-78-5
MF:
C6H4O5
MW:
156.09
EINECS:
207-891-7
Product Categories:
  • Heterocycles
  • Intermediates & Fine Chemicals
  • API intermediates
  • Pharmaceuticals
Mol File:
499-78-5.mol
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5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid 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)
Water Solubility 
5.1g/L(25 ºC)
EPA Substance Registry System
4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo- (499-78-5)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
22
WGK Germany 
3
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5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid Usage And Synthesis

Uses

Building block for an intramolecular olefin-α-pyrone cycloaddition providing the colchicine ring skeleton.

Uses

5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid can be used in the regenerative anti-inflammatory composition

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

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