A4707912
4-Hydroxycoumarin , 98% , 1076-38-6
Synonym(s):
4-Hydroxy-1-benzopyran-2-one
CAS NO.：1076-38-6
Empirical Formula: C9H6O3
Molecular Weight: 162.14
MDL number: MFCD00006856
EINECS: 214-060-2
| Pack Size | Price | Stock | Quantity |
| 5G | RMB23.20 | In Stock |
|
| 25G | RMB36.00 | In Stock |
|
| 100G | RMB65.60 | In Stock |
|
| 250g | RMB151.20 | In Stock |
|
| 500G | RMB294.40 | In Stock |
|
| 2.5KG | RMB1439.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 211-213 °C (lit.) |
| Boiling point: | 228.82°C (rough estimate) |
| Density | 1.1734 (rough estimate) |
| vapor pressure | 0.02Pa at 25℃ |
| refractive index | 1.4500 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| pka | 4.50±1.00(Predicted) |
| form | Liquid |
| color | Clear colorless to slightly yellow |
| Odor | Very faint woody-medicinal odor with a with Aluminum chloride. nut-like, hcrbaccous tone |
| Water Solubility | PRACTICALLY INSOLUBLE |
| BRN | 129768 |
| InChIKey | VXIXUWQIVKSKSA-UHFFFAOYSA-N |
| LogP | 1.6-2.31 at 21.2℃ |
Description and Uses
4-Hydroxycoumarin may be regarded as a phenylenetetronic acid , and like tetronic acid forms condensation products with aldehydes.
Synthesis of biscoumarin derivatives by the reaction of aldehydes and 4-hydroxycoumarin using ruthenium(III) chloride hydrate as a versatile homogeneous catalyst.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 |
| Precautionary statements | P264-P270-P301+P312-P501 |
| Hazard Codes | Xn,Xi |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| RTECS | DJ3100000 |
| Hazard Note | Irritant |
| TSCA | Yes |
| HS Code | 29322980 |
