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Coumarin-3-carboxylic acid Structure

Coumarin-3-carboxylic acid

Chemical Properties

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)
EWG's Food Scores 1
FDA UNII V85UOV8788
NIST Chemistry Reference Benzopyran-3-carboxylic acid, 2h-1-, 2-oxo(531-81-7)
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Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H301
Precautionary statements P301+P310
Hazard Codes  T,Xi
Risk Statements  25
Safety Statements  36/37/39-45-28A
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  DJ2490000
F  8
HazardClass  6.1
PackingGroup  II
HS Code  29322090
NFPA 704:
0
3 0

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