7,8-Dihydroxyflavone NEW
| Price | $66 |
| Package | 1KG |
| Min. Order: | 1250KG |
| Supply Ability: | 330T |
| Update Time: | 2024-01-18 |
Product Details
| Product Name: 7,8-Dihydroxyflavone | CAS No.: 38183-03-8 |
| Min. Order: 1250KG | Purity: 99.8% |
| Supply Ability: 330T | Release date: 2024/01/18 |
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| common name | 7,8-Dihydroxyflavone | English name | 7,8-Dihydroxyflavone |
|---|---|---|---|
| CAS number | 38183-03-8 | molecular weight | 254.24 |
| density | 1.4±0.1 g/cm3 | boiling point | 494.4±45.0 °C at 760 mmHg |
| molecular formula | C 15 H 10 O 4 | melting point | 243-246°C |
| MSDS | Chinese VersionU.S. Edition | Flash point | 193.5±22.2°C |
| density | 1.4±0.1 g/cm3 |
|---|---|
| boiling point | 494.4±45.0 °C at 760 mmHg |
| melting point | 243-246°C |
| molecular formula | C 15 H 10 O 4 |
| molecular weight | 254.24 |
| Flash point | 193.5±22.2°C |
| accurate mass | 254.057907 |
| PSA | 70.67000 |
| LogP | 2.51 |
| Appearance traits | Solid;Light yellow to Yellow to Green powder to crystal |
| vapor pressure | 0.0±1.3 mmHg at 25°C |
| Refractive index | 1.699 |
| Storage conditions | Sealed, cool and dry storage |
| stability | Under normal circumstances, it will not decompose, and there is no dangerous reaction |
| 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 |
| 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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2. Factory tour: we can show you around our production plant
3. Sample service: you can get samples of the products you want to buy
After Sales Service
1. safe delivery: if there are any problems during transport, our company will make up for them.
2. Quality assurance: we can provide you with test reports for your products.
Why choose me?
1. Strict selection of raw materials, our products are of the highest purity.
2. Reasonable and competitive prices. Providing the best and professional service.
3. Safe and discreet shipping options for you to choose from.
4. Experience in loading large quantities of containers in Chinese ports.
5. Provide the best after-sales service after shipment.
6. Provide you with professional customs clearance documents.
7. Parcels can be dispatched within 24 hours of payment with tracking number.
8. Customs clearance rate >99%.
9. We have freight forwarders in every country, so you don't have to worry about customs. We also offer door-to-door service with double customs clearance, so you don't have to worry about the inconvenience of going out to pick up your goods. We guarantee 100% safe shipping. We also have dedicated transport routes to guarantee 100% safe delivery. We have the advantage of time, as we have stock and can ship immediately on order. And don't worry about quality. We have the credentials.
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