2-nitrofluorene
structural formula
| business number | 069p |
|---|---|
| molecular formula | c13h9no2 |
| molecular weight | 211.21 |
| label |
β-nitrofluorene |
numbering system
cas number:607-57-8
mdl number:mfcd00001117
einecs number:210-138-5
rtecs number:ll8225000
brn number:none
pubchem number:24897517
physical property data
physical property data:
1. character: yellow needle crystal
2. melting point156℃
toxicological data
none
ecological data
3. ecological data:
1, other harmful effects: this substance may be harmful to the environment, special attention should be paid to water bodies.
molecular structure data
5. molecular property data:
1、 molar refractive index:60.34
2、 molar volume (m3/mol):160.1
3、 isotonic specific volume (90.2k):442.2
4、 surface tension (dyne/cm):58.1
5, polarizability (10-24cm3 ):23.92
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: 0
5. number of tautomers: none
6. topological molecule polar surface area 45.8
7. number of heavy atoms: 16
8. surface charge: 0
9. complexity: 286
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
1. properties: yellow needle crystal-like. melting point156℃.
storage method
storage:
seal the secret container and store it in a sealed main container in a cool place dry position.
synthesis method
2. preparation method: 60g fluorene500mlglacial acetic acid, stir and heat to50℃, drop in80mlconcentrated nitric acid. heat to80℃reaction5min, cool to room temperature, filter out the resulting2-nitrofluorene, washed with cold glacial acetic acid, washed with water, and recrystallized with glacial acetic acid to obtain56gpure product, yield79%.
purpose
3. uses: organic synthesis intermediate.
