A4803012
4-Hydroxy-6-methylcoumarin , >98.0% , 13252-83-0
| Pack Size | Price | Stock | Quantity |
| 250MG | RMB103.20 | In Stock |
|
| 1G | RMB295.20 | In Stock |
|
| 5G | RMB1039.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 261-264 °C (lit.) |
| Boiling point: | 359.7±42.0 °C(Predicted) |
| Density | 1.372±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| pka | 4.50±1.00(Predicted) |
| form | Powder |
| color | White |
| λmax | 309nm(EtOH aq.)(lit.) |
| LogP | 2.060 (est) |
Description and Uses
4-Hydroxy-6-methylcoumarin may be used for the in situ generation of α-methylenechromanes, α-methylenequinoline and ortho-quinone methides, via Knoevenagel reaction. It may be used for the preparation of 8-methyl-2-phenyl-4H-furo-[3,2-c]benzopyran-4-one and 6-methyl-2-phenyl-4H-furo-[2,3-b]benzopyran-4-one.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| HazardClass | IRRITANT |
| HS Code | 29322985 |
