2-nitrofluorene

structural formula

• numbering system
• physical property data
• toxicological data
• ecological data
• molecular structure data
• computing chemical data
• more
  • properties and stability
  • storage method
  • synthesis method
  • purpose

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.

resource:allhdi.com