coronabenzene

structural formula

business number	0406
molecular formula	c24h12
molecular weight	300.35
label	khao, hexabenzobenzene, dibenzo[ghi,pqr]perylene, aromatic hydrocarbons

• 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:191-07-1

mdl number:mfcd00004134

einecs number:205-881-7

rtecs number:gm5400000

brn number:658468

pubchem number:24860308

physical property data

1. properties: yellow needle-like crystals

2. relative density: 1.377

3. melting point (℃): 438~440

4. boiling point (ºc): 525

5. solubility: insoluble in water, slightly soluble in benzene.

toxicological data

none

ecological data

none

molecular structure data

1. molar refractive index: 111.35

2. molar volume (cm³/mol): 204.7

3. isotonic specific volume (90.2k ): 623.0

4. surface tension (dyne/cm): 85.7

5. dielectric constant: not available

6. dipole moment (10 ^-24cm³): not available

7. polarizability: 44.14

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: 0

4. number of rotatable chemical bonds: 0

5. number of tautomers: none

6. topological molecule polar surface area 0

7. number of heavy atoms: 24

8. surface charge: 0

9. complexity: 376

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. exist in smoke.

2. iarc carcinogenicity assessment: insufficient evidence, triggering activity.

storage method

none

synthesis method

1. crystallize from benzene to obtain yellow needle crystals.

purpose

none

resource:allhdi.com</a