flavanones

flavanone structural formula

Structural formula

Business number 0539
Molecular formula C15H12O2
Molecular weight 224.25
label

2,3-dihydroxyfluorene,

2,3-Dihydroflavone

Numbering system

CAS number:487-26-3

MDL number:MFCD00006841

EINECS number:207-654-8

RTECS number:LK6906500

BRN number:183227

PubChem number:24846563

Physical property data

1. Character: Undetermined


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


3. Relative vapor density (g/cm3,AIR=1): Undetermined


4. Melting point (ºC): 75-78


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


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


7. Refractive Index: Undetermined


8. Flash Point (ºF): Undetermined


9. Specific optical rotation (º): Undetermined


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


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


12. Saturation 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/Water) Logarithmic value of partition coefficient: undetermined


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


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


19. Solubility: Undetermined

Toxicological data

Acute toxicity: Oral administration to wild birds LD50: 75mg/kg, No details other than lethal dose;

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:64.60


2 Molar volumem3/mol): 187.9


3 Isotonic specific volume90.2K):489.8


4 Surface tension3.0 dyne/cm SPAN>):46.0


5 Polarizability0.5 10-24cm3):25.61

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 2

6. Topological molecule polar surface area 26.3

7. Number of heavy atoms: 17

8. Surface charge: 0

9. Complexity: 281

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 1

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


Save sealed and placed in a ventilated, dry environment

Synthesis method

None

Purpose

None

Resource:allhdi.com

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.polyether-factory.com/archives/21006

author:

Previous article
Next article
Contact Us

Contact us

+86 - 152 2121 6908

Online consultation: QQ交谈

E-mail: sales@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
E-mail
Products
Search