BD0611453
4,7-Dihydroxy-2H-chromen-2-one , 98% , 1983-81-9
Synonym(s):
4,7-Dihydroxychromen-4-one
| Pack Size | Price | Stock | Quantity |
| 100mg | RMB52.80 | In Stock |
|
| 250mg | RMB96.00 | In Stock |
|
| 1g | RMB336.00 | In Stock |
|
| 5g | RMB1510.40 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 275-280 °C |
| Boiling point: | 445.5±45.0 °C(Predicted) |
| Density | 1.612±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| form | powder to crystal |
| pka | 4.50±1.00(Predicted) |
| color | Light yellow to Yellow to Orange |
| λmax | 310nm(EtOH aq.)(lit.) |
| InChI | 1S/C9H6O4/c10-5-1-2-6-7(11)4-9(12)13-8(6)3-5/h1-4,10-11H |
| InChIKey | CYSRKZFPSNZSCS-UHFFFAOYSA-N |
| SMILES | Oc1ccc2C(O)=CC(=O)Oc2c1 |
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H319 |
| Precautionary statements | P264-P270-P280-P301+P312-P305+P351+P338-P337+P313 |
| Hazard Codes | Xi |
| Risk Statements | 22-36 |
| Safety Statements | 26 |
| WGK Germany | 3 |
| HS Code | 2932.20.3000 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral Eye Irrit. 2 |
