Structural formula
| Business number | 0259 |
|---|---|
| Molecular formula | C12H8N2 |
| Molecular weight | 180.21 |
| label |
anthracene, Dibenzo[b,e]pyrazine |
Numbering system
CAS number:92-82-0
MDL number:MFCD00005023
EINECS number:202-193-9
RTECS number:SG1360000
BRN number:126500
PubChem number:24887204
Physical property data
1. Character:Colorless or light yellow needle-shaped crystal
2. Density (g/mL,25/4℃): Undetermined
3. Relative vapor density (g/mL,Air=1): Undetermined
4. Melting point (oC): 171
5. Boiling point (oC,Normal pressure):360℃ or above
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 water) partition coefficient: Undetermined
17. Explosion limit (%,V/V): Undetermined
18. Lower explosion limit (%,V/V): Undetermined
19. Solubility:Almost insoluble in water, slightly soluble in ethanol, ether and benzene, soluble in inorganic acids to form a yellow to red solution.
Toxicological data
None
Ecological data
None
Molecular structure data
1. Molar refractive index: 58.12
2. Molar volume (m3/mol):144.1
3. isotonic specific volume (90.2K):403.2
4. Surface Tension (dyne/cm):61.2
5. Polarizability（10-24cm3): 23.04
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 25.8
7. Number of heavy atoms: 14
8. Surface charge: 0
9. Complexity: 163
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
None
Storage method
This product should be kept sealed, cool and dry.
Synthesis method
Aniline vapor can be passed through a red heat pipe, or o-phenylenediamine and catechol can be heated in the pipe, or 2-It is obtained by distillation of aminodiphenylamine and lead monoxide.
Purpose
Mainly used in dyes, medicines, organic synthesis intermediates and biochemicals Research.
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