1108. 1H-Benzotriazole

Nomenclature

CAS number: 95-14-7
1,2,3-Benzotriazole; benztriazole; azimidobenzene; benzisotriazole.
C6H5N3; mol wt 119.12.
C 60.50%, H 4.23%, N 35.28%.

Description and 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).

Chemical structure

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.