Title:  1H-Benzotriazole 
CAS Registry Number:  95-14-7 
Additional Names:  1,2,3-Benzotriazole;  benztriazole;  azimidobenzene;  benzisotriazole 
Molecular Formula:  C6H5N3 
Molecular Weight:  119.12 
Percent Composition:  C 60.50%, H 4.23%, N 35.28% 
Literature References:  Prepd by the action of nitrous acid on o-phenylenediamine:  Ladenburg, Ber. 9, 219 (1876); Damschroder, Peterson, Org. Synth. coll. vol. III, 106 (1955). 
Properties:  Needles from benzene, mp 98.5°.  bp15 204°; bp2.0 159°.  Caution:  May explode during vacuum distillation, see Chem. Eng. News 34, 2450 (1956).  Sparingly sol in water.  Sol in alc, benzene, toluene, chloroform, DMF. 
Melting point:  mp 98.5° 
Boiling point:  bp15 204°; bp2.0 159°   |