Coumarin 334
- Product NameCoumarin 334
- CAS55804-67-6
- CBNumberCB9113864
- MFC17H17NO3
- MW283.32
- EINECS259-826-7
- MDL NumberMFCD00051336
- MOL File55804-67-6.mol
Chemical 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 |
| FDA UNII | 2773GTW04S |
| 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) |
| UNSPSC Code | 12171500 |
| NACRES | NA.47 |
Safety
| Symbol(GHS) |
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| 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 | |||||||||
| NFPA 704: |
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