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Coumarin 343 Structure

Coumarin 343

Chemical Properties

Melting point 240 °C(lit.)
Boiling point 574.8±50.0 °C(Predicted)
Density  1.47±0.1 g/cm3(Predicted)
pka -98.22±0.20(Predicted)
form  Crystalline Powder
color  Orange
FDA UNII 7GE3Q7LWR9
EPA Substance Registry System 1H,5H,11H-[1]Benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid, 2,3,6,7-tetrahydro-11-oxo- (55804-65-4)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H319-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  37/39-26-24/25
WGK Germany  3
HS Code  29349990
NFPA 704:
0
1 0

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