Sophora japonical e...

Sophora japonical extract Quercetin

Sophora japonical extract Quercetin

Min.Order / FOB Price:Get Latest Price

1 Kilogram

Negotiable

  • Min.Order :1 Kilogram
  • Purity: 99
  • Payment Terms : T/T,Other

Keywords

Quercetin Sophretin Quercetin

Quick Details

  • Appearance:Yellow to green-yellow crystalline powder
  • Application:For research and development only. Not for medicine, family or other purposes.
  • PackAge:25kg per bag
  • ProductionCapacity:500|Metric Ton|Month
  • Storage:Store in a cool shade
  • Transportation:by sea or air

Superiority:

1,Best Quality:

Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so you can trust us.

2, Payment method: for example T/T, Westerm Union,other

3, Excellent Service: Best service and after-sales service to all clients.

   1)We will ship the goods within 5days after get your payments.If you want to cancel or change order, please tell me within 24hours after you finish the payment..

   2)We will ship the goods that you order from us by DHL, UPS, TNT and EUB.We will decided to choose which courier depend on different countries.To find the best way to delivery the goods for you.

   3)As usual you can get the goods with in 4-7days.If the goods were lost or not received for other reasons, please contact us immediately.

4,Fast and safe delivery:

Sample Order : As usual you can get the goods within 4-7days. We can send it via HKems, HK Air Post, DHL or other methods.

We have a professional and stable logistics, and we can deliver the package smoothly around 3 to 5 days.

Bulk Order: Shipped via sea or air, it's according to your requirement, delivery time is 7-15days after payment.

 

If you have any other questions to consult me,please not hesitate to contact me any times.

 

Details:

Quercetin physicochemical properties
Density 1.8±0.1 g/cm3
Boiling point 642.4±55.0 °C at 760 mmHg
Melting point 314-317 ° C
Molecular formula C15H10O7
Molecular weight 302.236
Flash point 248.1±25.0 °C
Exact quality 302.042664
PSA 131.36000
LogP 2.08
Appearance traits Yellow to green-yellow crystalline powder
Vapor pressure 0.0±2.0 mmHg at 25°C
Refractive index 1.823
Storage conditions
The brown glass bottle is sealed in a light sealed package. Store in a cool shade.
 
Stability
Quercetin has anti-free radical, anti-oxidation, antibacterial, anti-viral and the like.
 
Water solubility <0.1 g/100 mL at 21 oC
Molecular Structure
1, molar refractive index: 73.31
 
2, molar volume (cm3 / mol): 167.9
 
3, isotonic capacity (90.2K): 549.9
 
4, surface tension (dyne / cm): 114.8
 
5, the polarizability (10-24cm3): 29.06
 
Computing chemistry
1. Hydrophobic parameter calculation reference value (XlogP): none
 
2. Number of hydrogen bond donors: 5
 
3. Number of hydrogen bond acceptors: 7
 
4. Number of rotatable chemical bonds: 1
 
5. Number of tautomers: 435
 
6. Topological molecular polarity surface area 127
 
7. Number of heavy atoms: 22
 
8. Surface charge: 0
 
9. Complexity: 488
 
10. Number of isotope atoms: 0
 
11. Determine the number of atomic stereocenters: 0
 
12. Uncertainty of the number of atomic stereocenters: 0
 
13. Determine the number of chemical bond stereocenters: 0
 
14. Uncertain chemical bond number of stereocenters: 0
 
15. Number of covalent bond units: 1
 
More 1. Properties: It is white or light yellow needle crystal, stable to heat, and the decomposition temperature is above 314 °C. Oxidation in the air can cause darkening of the color, discoloration in the case of Fe3+ 2. Density (g/mL, 25 ° C): not determined
3. Relative steam density (g/mL, air = 1): not determined
 
4. Melting point (oC): 314-317
 
5. Boiling point (oC, atmospheric pressure): not determined
 
6. Boiling point (oC, KPa): not determined
 
7. Refractive index: not determined
 
8. Flash point (oC): not determined
 
9. Specific optical rotation (o): not determined
 
10. Self-ignition point or ignition temperature (oC): not determined
 
11. Vapor pressure (mmHg, oC): not determined
 
12. Saturated vapor pressure (kPa, oC): not determined
 
13. Heat of combustion (KJ/mol): not determined
 
14. Critical temperature (oC): not determined
 
15. Critical pressure (KPa): not determined
 
16. Logarithmic value of oil-water (octanol/water) partition coefficient: not determined
 
17. Upper explosion limit (%, V/V): not determined
 
18. Lower explosion limit (%, V/V): not determined
 
19. Solubility: slightly soluble in water, soluble in alkaline aqueous solution.

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