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531-81-7

Name Coumarin-3-carboxylic acid
CAS 531-81-7
EINECS(EC#) 208-518-0
Molecular Formula C10H6O4
MDL Number MFCD00006852
Molecular Weight 190.15
MOL File 531-81-7.mol
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Chemical Properties

Appearance light brown crystalline powder
Melting point  189-192 °C (lit.)
Boiling point  248.82°C (rough estimate)
density  1.2599 (rough estimate)
refractive index  1.5380 (estimate)
storage temp.  Sealed in dry,Room Temperature
solubility  13g/l
form  Crystalline Powder
pka 1.84±0.20(Predicted)
color  Light brown
Water Solubility  13 g/L (37 ºC)
λmax 290nm(Phosphate buffer sol.)(lit.)
Merck  14,2563
BRN  154276
InChIKey ACMLKANOGIVEPB-UHFFFAOYSA-N
CAS DataBase Reference 531-81-7(CAS DataBase Reference)
NIST Chemistry Reference Benzopyran-3-carboxylic acid, 2h-1-, 2-oxo(531-81-7)

Safety Data

Hazard Codes  T,Xi
Risk Statements 
R25:Toxic if swallowed.
Safety Statements 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  DJ2490000
F  8
HazardClass  6.1
PackingGroup  II
HS Code  29322090

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