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Coumarin 337 Structure

Coumarin 337

Chemical Properties

Melting point 250 °C (dec.)(lit.)
Boiling point 409.5°C (rough estimate)
Density  1.1262 (rough estimate)
refractive index  1.6240 (estimate)
pka 5.14±0.40(Predicted)
form  powder to crystal
color  Light yellow to Brown
λmax 442nm(EtOH)(lit.)
FDA UNII 7PZP222LOZ
EPA Substance Registry System 1H,5H,11H-[1]Benzopyrano[6,7,8-ij]quinolizine-10-carbonitrile, 2,3,6,7-tetrahydro-11-oxo- (55804-68-7)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H319-H302+H312+H332-H315
Precautionary statements P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
Hazard Codes  Xn
Risk Statements  36/37/38-20/21/22
Safety Statements  37/39-26
WGK Germany  3
HS Code  29322985

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