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common name | 7,8-Dihydroxyflavone | English name | 7,8-Dihydroxyflavone |
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CAS number | 38183-03-8 | molecular weight | 254.24 |
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density | 1.4±0.1 g/cm3 | boiling point | 494.4±45.0 °C at 760 mmHg |
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molecular formula | C 15 H 10 O 4 | melting point | 243-246°C |
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MSDS | Chinese VersionU.S. Edition | Flash point | 193.5±22.2°C |
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density | 1.4±0.1 g/cm3 |
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boiling point | 494.4±45.0 °C at 760 mmHg |
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melting point | 243-246°C |
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molecular formula | C 15 H 10 O 4 |
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molecular weight | 254.24 |
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Flash point | 193.5±22.2°C |
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accurate mass | 254.057907 |
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PSA | 70.67000 |
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LogP | 2.51 |
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Appearance traits | Solid;Light yellow to Yellow to Green powder to crystal |
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vapor pressure | 0.0±1.3 mmHg at 25°C |
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Refractive index | 1.699 |
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Storage conditions | Sealed, cool and dry storage |
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stability | Under normal circumstances, it will not decompose, and there is no dangerous reaction |
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computational chemistry | 1. Hydrophobic parameter calculation reference value (XlogP): None 2. Number of hydrogen bond donors: 2 3. Number of hydrogen bond acceptors: 4 4. Number of rotatable chemical bonds: 1 5. Number of tautomers: 12 6. The polar surface area of topological molecules is 66.8 7. Number of heavy atoms: 19 8. Surface charge: 0 9. Complexity: 384 10. Number of isotope atoms: 0 11. Determine the number of stereocenters: 0 12. Uncertain number of atomic stereocenters: 0 13. Determine the number of stereocenters of chemical bonds: 0 14. Uncertain number of chemical bond stereocenters: 0 15. Number of covalent bond units: 1 |
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More | 1. Appearance: powder 2. Density (g/mL, 20 ºC): not determined 3. Relative vapor density (g/mL, air=1): not determined 4. Melting point (°C): 250-252 5. Boiling point (ºC, 1.1 kPa): not determined 6. Boiling point (ºC, 10mm hg): not determined 7. Refractive index: not determined 8. Flash point (ºC): not determined 9. Specific rotation (º): not determined 10. Autoignition point or ignition temperature (ºC): Not determined 11. Vapor pressure (kPa, 25ºC): not determined 12. Saturated vapor pressure (kPa, 60ºC): not determined 13. Heat of combustion (KJ/mol): not determined 14. Critical temperature (ºC): not determined 15. Critical pressure (KPa): Undetermined 16. The logarithm of the oil-water (octanol/water) partition coefficient: not determined 17. Explosive upper limit (%, V/V): Undetermined 18. Lower explosion limit (%, V/V): not determined 19. Solubility: not determined |
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