Molecular structure of 3-Amino-6-cyanopyridine (CAS NO.55338-73-3) is:

Product Name: 3-Amino-6-cyanopyridine
CAS Registry Number: 55338-73-3
Systematic Name: 5-Aminopyridine-2-carbonitrile
Empirical Formula: C₆H₅N₃
Molecular Weight: 119.124
Index of Refraction: 1.594
Molar Refractivity: 32.73 cm³
Molar Volume: 96.3 cm³ 
Surface Tension: 67.8 dyne/cm
Density: 1.23 g/cm³
Flash Point: 176.5 °C
Enthalpy of Vaporization: 61.49 kJ/mol
Boiling Point: 368.2 °C at 760 mmHg
Vapour Pressure: 1.29E-05 mmHg at 25°C
Melting Point: 148-152 °C(lit.)
Product Categories: Pyridine

Safty information about 3-Amino-6-cyanopyridine (CAS NO.55338-73-3) is:
Hazard Codes: Xn, Xi
Risk Statements: 20/21/22-36/37/38 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
RIDADR: 3439
WGK Germany: 3
HazardClass: 6.1
PackingGroup: III

 3-Amino-6-cyanopyridine , its cas register number is 55338-73-3. It also can be called 2-Pyridinecarbonitrile,5-amino- ; 5-Amino-2-cyanopyridine ; 5-Amino-pyridine-2-carbonitrile ; 5-Aminopicolinonitrile ; 2-Cyano-5-Aminopyridine ; 2-Carbonitrile-5-aminopyridine . It is a brown powder.