2982. 2,3-Diaminophenazine

Nomenclature

CAS number: 655-86-7
2,3-Phenazinediamine.
C12H10N4; mol wt 210.23.
C 68.56%, H 4.79%, N 26.65%.

Description and references

Prepn from o-phenylenediamine: Ullmann, Mauthner, Ber. 35, 4304 (1902); Knoevenagel, J. Prakt. Chem. [2] 89, 25 (1914); Richter Ber. 44, 3469 (1911).

Chemical structure

Properties

Brown to yellow needles. On careful heating sublimes forming yellow leaflets. mp 264°. Sol in alcohol, benzene. Yields 2-aminophenazine and small amounts of phenazine when heated with zinc dust.

Use

Detection of bismuth, cadmium, lead, copper, and mercury.