Coumarin 334

$82.7 - $1277

Price

Brand	Packaging	Price	Product name
American Custom Chemicals Corporation DYE0000527	5MG	$500.42	COUMARINE-334
Chem-Impex 41940	500MG	$82.7	Coumarin334,≥99%(Dyecontent),suitableforHematology&Histology
Matrix Scientific 135444	1g	$388	10-Acetyl-2,3,6,7-tetrahydro-1H,5H,11H-pyrano-[2,3-f]pyrido[3,2,1-ij]quinolin-11-one
Matrix Scientific 135444	2.500g	$845	10-Acetyl-2,3,6,7-tetrahydro-1H,5H,11H-pyrano-[2,3-f]pyrido[3,2,1-ij]quinolin-11-one
Matrix Scientific 135444	5g	$1277	10-Acetyl-2,3,6,7-tetrahydro-1H,5H,11H-pyrano-[2,3-f]pyrido[3,2,1-ij]quinolin-11-one
Sigma-Aldrich 393002	500mg	$105	Coumarin 334
TRC C755523	1000mg	$90	Coumarin 334

Melting point	181-184 °C(lit.)
Boiling point	425.88°C (rough estimate)
Density	1.1077 (rough estimate)
refractive index	1.5400 (estimate)
storage temp.	room temp
solubility	ethanol: 10mg/mL
pka	5.37±0.40(Predicted)
form	powder or crystals
Water Solubility	NEGLIGIBLE
λmax	452 nm
ε(extinction coefficient)	≥45000 at 449-455nm in ethanol
EPA Substance Registry System	1H,5H,11H-[1]Benzopyrano[6,7,8-ij]quinolizin-11-one, 10-acetyl-2,3,6,7-tetrahydro- (55804-67-6)