IUPAC Name: Phenazine-1,2-diamine
Product Name: 2,3-Diaminophenazine
The MF of Phenazine-1,2-diamine (CAS NO.655-86-7) is C₁₂H₁₀N₄.

                        
The MW of Phenazine-1,2-diamine (CAS NO.655-86-7) is 210.23.
Synonyms of Phenazine-1,2-diamine (CAS NO.655-86-7): 2,3-Phenazinediamine (9CI) ; Phenazine, 2,3-diamino- ; 2,3-Diaminophenazine ; 2,3-Phenazinediamine ; Phenazine-2,3-diamine ; Phenazine-2,3-diyldiamine 
Product Categories: Heterocyclic Compounds
Form: Yellow to light brown needle-like crystal
Index of Refraction: 1.853 
EINECS: 211-512-0
Density: 1.414 g/ml
Flash Point: 287.1 °C 
Boiling Point: 497.8 °C
Melting Point: >300 °C

  Phenazine-1,2-diamine (CAS NO.655-86-7) is the intermediate of Ning barrier rule used as assay for bismuth, cadmium, lead, copper and mercury.

Preparation Products: 5,12-Dihydro-5,7,12,14-tetrazapentacene
Raw materials: Ferric chloride-->o-Phenylenediamine

Mutation data reported. When heated to decomposition it emits toxic vapors of NO_x.Safety information of Phenazine-1,2-diamine (CAS NO.655-86-7):
Hazard Codes  Xn,Xi
Risk Statements 
22 Harmful if swallowed
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements 
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37 Wear suitable protective clothing and gloves
WGK Germany  3
RTECS  SG1577650