CAS No 499-78-5 , 5-hydroxy-4-oxopyran-2-carboxylic acid

Name: 5-hydroxy-4-oxopyran-2-carboxylic acid
Synonyms: 5-hydroxy-4-oxopyran-2-carboxylic acid; 499-78-5; 2-Carboxy-5-hydroxy-4-pyrone;5-hydroxy-4-oxopyran-2-carboxylic acid;5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid; AO-801/41077391;
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
Molecular Structure:

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Hazard Codes	Xn
Risk Statements	22