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500-05-0

Name Coumalic acid
CAS 500-05-0
EINECS(EC#) 207-899-0
Molecular Formula C6H4O4
MDL Number MFCD00006644
Molecular Weight 140.09
MOL File 500-05-0.mol
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Chemical Properties

Appearance pale yellow to pale brown powder
Melting point  203-205 °C (dec.) (lit.)
Boiling point  218 °C/120 mmHg (lit.)
density  1.2154 (rough estimate)
refractive index  1.4434 (estimate)
Fp  218°C/120mm
storage temp.  Sealed in dry,Room Temperature
form  powder to crystal
pka 2.80±0.20(Predicted)
color  White to Light yellow to Light orange
Water Solubility  Very soluble in water.
Merck  14,2557
BRN  119747
LogP 0.411 (est)
CAS DataBase Reference 500-05-0(CAS DataBase Reference)
NIST Chemistry Reference 2H-Pyran-5-carboxylic acid, 2-oxo-(500-05-0)
EPA Substance Registry System 500-05-0(EPA Substance)

Safety Data

Hazard Codes  Xi
Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
WGK Germany  3
TSCA  Yes
HS Code  29322090

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