daidzein

广告位

Didzein structural formula

Structural formula

Business number 0530
Molecular formula C15H10O4
Molecular weight 254.24
label

soybean,

daidzein,

daidzein,

daidzein,

4′,7-dihydroxyisoflavone,

4′,7-Dihydroxyisoflavone,

7-Hydroxy-3-(4-hydroxy-phenyl)-chromone,

7-Hydroxy-3-(4-hydroxy-phenyl)-4H-1-benzo-pyran-4-one

Numbering system

CAS number:486-66-8

MDL number:MFCD00016954

EINECS number:207-635-4

RTECS number:DJ3100040

BRN number:231523

PubChem ID:None

Physical property data

1. Character: Undetermined


2. Density (g/ m3,25/4): Undetermined


3. Relative vapor density (g/cm3,AIR=1): Not OK


4. Melting point (ºC):315-323


5. Boiling point (ºC,Normal pressure): Undetermined


6. Boiling point (ºC,5.2kPa): Undetermined


7. Refractive Index: Undetermined


8. Flash Point (ºC): Undetermined


9. Specific optical rotation (º): Undetermined


10. Autoignition point or ignition temperature (ºC): Undetermined


11. Vapor pressure (kPa,25ºC): Undetermined


12. Saturated vapor pressure (kPa,60ºC): Undetermined


13. Heat of combustion (KJ/mol): Undetermined


14. Critical temperature (ºC): Undetermined


15. Critical pressure (KPa): Undetermined


16. Oil and water (octanol / Log value of partition coefficient (water): not determined


17. Explosion limit (%,V/V): Undetermined


18. Lower explosion limit (%,V/V): Undetermined


19. Solubility: Hardly soluble in water

Toxicological data

None

Ecological data

This substance may be harmful to the environment, and special attention should be paid to water bodies.

Molecular structure data

1 Molar refractive index:67.97


2 Molar volumem3/mol)176.1


3 Isotonic specific volume (90.2K):506.1


4 Surface tensiondyne/cm68.2


5 Polarizability(10-24cm326.94

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.5

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: 10

6. Topological molecule polar surface area 66.8

7. Number of heavy atoms: 19

8. Surface charge: 0

9. Complexity: 382

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Use and store according to specifications, no decomposition will occur, and avoid contact with oxides

Storage method

2-8°C

Save in a sealed manner and place it in a ventilated and dry place to avoid contact with other oxides. None

Synthesis method

None

Purpose

None

Resource:allhdi.com

广告位
This article is from the Internet, does not represent the position of Epoxy curing agent, reproduced please specify the source.https://www.dmp-30.vip/archives/118804

author:

Previous article
Next article
Contact Us

Contact us

+86 - 152 2121 6908

Online consultation: QQ交谈

E-mail: info@newtopchem.com

Working hours: Monday to Friday, 9:00-17:30, closed on holidays
Follow wechat
Scan wechat and follow us

Scan wechat and follow us

Follow Weibo
Back to top
Home
Phone
Products
Search