Title:  1,8-Naphthalenediamine 
CAS Registry Number:  479-27-6 
Additional Names:  1,8-Diaminonaphthalene 
Molecular Formula:  C10H10N2 
Molecular Weight:  158.20 
Percent Composition:  C 75.92%, H 6.37%, N 17.71% 
Literature References:  Prepd by reducing 1,8-dinitronaphthalene with phosphorus triiodide:  Meyer, Müller, Ber. 30, 775 (1897). 
Properties:  Crystals from dil alc, mp 66.5°.  bp12 205°; nD99.4 1.6828; d499.4 1.1265.  Sublimable.  Turns brown on standing.  Soluble in alcohol or ether; slightly sol in water or chloroform. 
Melting point:  mp 66.5° 
Boiling point:  bp12 205° 
Index of refraction:  nD99.4 1.6828 
Density:  d499.4 1.1265 
  
Derivative Type:  Dihydrochloride  
Molecular Formula:  C10H12Cl2N2 
Molecular Weight:  231.12 
Percent Composition:  C 51.97%, H 5.23%, Cl 30.68%, N 12.12% 
Properties:  Leaflets, mp 280°. 
Melting point:  mp 280° 
  
Use:  Antioxidant for lubricating oils.  Detection of selenium and nitrites.   |