isopyridine
Structural formula
| Business number | 052X |
|---|---|
| Molecular formula | C11H10O5 |
| Molecular weight | 222.20 |
| label |
Isopyridine, Yiqinpiding, Isocarbinide, 7-hydroxy-6,8-dimethoxybenzopyran-2-one, 7-Hydroxy-6,8-dimethoxychromen-2-one |
Numbering system
CAS number:486-21-5
MDL number:None
EINECS number:None
RTECS number:None
BRN number:None
PubChem ID:None
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): Undetermined
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 for water: undetermined
17. Explosion limit (%,V/V): Undetermined
18. Lower explosion limit (%,V/V): Undetermined
19. Solubility: Undetermined
Toxicological data
Acute toxicity: mice intravenously LD50: >500mg/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:55.40
2、 Molar volume（m3/mol)：170.2
3、 Isotonic specific volume (90.2K):450.4
4、 Surface tension（dyne/cm )：49.0
5、 Polarizability(10-24cm3）：21.96
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): 1.5
2. Number of hydrogen bond donors: 1
3. Number of hydrogen bond acceptors: 5
4. Number of rotatable chemical bonds: 2
5. Number of tautomers: 5
6. Topological molecule polar surface area 65
7. Number of heavy atoms: 16
8. Surface charge: 0
9. Complexity: 301
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
Save in a sealed manner and place it in a ventilated and dry place to avoid contact with other oxides.
Synthesis method
None
Purpose
None