F751823
Coumarin 334 , 96 , 55804-67-6
CAS NO.:55804-67-6
Empirical Formula: C17H17NO3
Molecular Weight: 283.32
MDL number: MFCD00051336
EINECS: 259-826-7
Pack Size | Price | Stock | Quantity |
500mg | RMB1882.40 | In Stock |
|
others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
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) |
Description and Uses
Suitable as a laser dye.
Safety
Symbol(GHS) | ![]() GHS06 |
Hazard statements | H302-H312-H315-H319-H331-H335 |
Precautionary statements | P261-P280-P304+P340-P305+P351+P338-P405-P501a |
Hazard Codes | Xn |
Risk Statements | 36/37/38-20/21/22 |
Safety Statements | 37/39-26 |
WGK Germany | 3 |
TSCA | Yes |
HazardClass | 6.1 |