Title:  o-Aminophenol 
CAS Registry Number:  95-55-6 
CAS Name:  2-Aminophenol 
Additional Names:  2-amino-1-hydroxybenzene;  2-hydroxyaniline 
Molecular Formula:  C6H7NO 
Molecular Weight:  109.13 
Percent Composition:  C 66.04%, H 6.47%, N 12.83%, O 14.66% 
Literature References:  Manuf by reduction of o-nitrophenol:  Freifelder, Robinson, US 3079435 (1963 to Abbott). 
Properties:  Crystals, rapidly becoming brown, mp 170-174°; sublimes.  One gram dissolves in 50 ml cold water, 23 ml alcohol; freely soluble in ether, very slightly in benzene.  Keep tightly closed and protected from light. 
Melting point:  mp 170-174° 
  
Derivative Type:  Hydrochloride  
Molecular Formula:  C6H7NO.HCl 
Molecular Weight:  145.59 
Percent Composition:  C 49.50%, H 5.54%, N 9.62%, O 10.99%, Cl 24.35% 
Properties:  Crystals readily becoming gray on exposure to light.  Freely sol in water or alcohol. 
  
Use:  Manuf azo and sulfur dyes; dyeing furs and hair. Hydrochloride used in dyeing fur, hair, leather, etc.   |