Molecular Structure of Pyridine-3,4-dicarbonitrile (CAS No.1633-44-9):

Molecular Formula: C₇H₃N₃ 
Molecular Weight: 129.1188
CAS No: 1633-44-9
IUPAC Name: Pyridine-3,4-dicarbonitrile  
H bond acceptors: 3
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 60.47 Å²
Index of Refraction: 1.567
Molar Refractivity: 33.68 cm³
Molar Volume: 102.9 cm³
Surface Tension: 68.4 dyne/cm
Density: 1.25 g/cm³
Flash Point: 112.4 °C
Enthalpy of Vaporization: 55.16 kJ/mol
Boiling Point: 310.7 °C at 760 mmHg
Vapour Pressure: 0.000589 mmHg at 25°C
InChI: InChI=1/C₇H₃N₃/c8-3-6-1-2-10-5-7(6)4-9/h1-2,5H
InChIKey: ALJUMASAQKRVRM-UHFFFAOYAO
Std. InChI: InChI=1S/C₇H₃N₃/c8-3-6-1-2-10-5-7(6)4-9/h1-2,5H
Std. InChIKey: ALJUMASAQKRVRM-UHFFFAOYSA-N
Product Categories: Pyridine

Hazard Codes: Xn
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: 22-36/37-36-26
S22:Do not breathe dust. 
S36/37:Wear suitable protective clothing and gloves. 
S36:Wear suitable protective clothing. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: 3276
HazardClass: 6.1
PackingGroup: III

   Pyridine-3,4-dicarbonitrile (CAS No.1633-44-9), its synonyms are 3,4-Pyridinedicarbonitrile ; Cinchomeronic dinitrile ; Cinchomeronitrile