Title: 2,3-Diaminophenazine
CAS Registry Number: 655-86-7
CAS Name: 2,3-Phenazinediamine
Molecular Formula: C12H10N4
Molecular Weight: 210.23
Percent Composition: C 68.56%, H 4.79%, N 26.65%
Literature References: Prepn from o-phenylenediamine: Ullmann, Mauthner, Ber. 35, 4304 (1902); Knoevenagel, J. Prakt. Chem. [2] 89, 25 (1914); Richter Ber. 44, 3469 (1911).
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.
Melting point: mp 264°
Use: Detection of bismuth, cadmium, lead, copper, and mercury.

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