English name : 1,2,5,6-dibenzonaphthalene; 1,2-benzophenanthrene; 1,2-benzphenanthrene; benzo(a)phenanthrene
Structural formula :
   
CAS RN : 218-01-9
Molecular weight : 228.29
Content : 98%
Boiling point : 448°C
Melting point : 250-255°C
Properties : white or silver gray and yellow green squama or flat orthorhombic octal crystal. It will become colorless orthorhombic flake crystal in the benzene. Melting point is 255°C; boiling point is 440.7°C; relative density is 1.274. It is less to dissolve in alcohol, aether, carbon dioxide and glacial acetic acid.