Sophora japonical extract Quercetin CAS NO.117-39-5

Min.Order: 1 Kilogram
Payment Terms: T/T,MoneyGram,Other

Product Details

Keywords

Quercetin
Sophretin
Quercetin

Quick Details

ProName: Sophora japonical extract Quercetin
CasNo: 117-39-5
Molecular Formula: C15H10O7
Appearance: Yellow to green-yellow crystalline pow...
Application: For research and development only. Not...
DeliveryTime: 4-15 workdays
PackAge: 25kg per bag
Port: Any China port
ProductionCapacity: 500 Metric Ton/Month
Purity: 99
Storage: Store in a cool shade
Transportation: by sea or air
LimitNum: 1 Kilogram

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