Molecular Structure of 2-Bromoisonicotinic acid (CAS NO.66572-56-3):

IUPAC Name: 2-bromopyridine-4-carboxylic acid 
Empirical Formula: C₆H₄BrNO₂
Molecular Weight: 202.0055
H bond acceptors: 3
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 50.19 Å²
Index of Refraction: 1.617
Molar Refractivity: 38.964 cm³
Molar Volume: 111.372 cm³
Surface Tension: 63.223 dyne/cm
Density: 1.814 g/cm³
Flash Point: 224.284 °C
Enthalpy of Vaporization: 74.355 kJ/mol
Boiling Point: 447.241 °C at 760 mmHg
Vapour Pressure: 0 mmHg at 25°C
Melting point: 229-231°C
Storage temp: Keep Cold
BRN: 471895
Product Categories: blocks; Bromides; Carboxes; Pyridines; pyridine derivative; pharmacetical; Carboxylic Acids; Pyridine; Carboxylic Acids; Picolinic acid series

Hazard Codes: Xi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-36/37 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S36/37:Wear suitable protective clothing and gloves.
Hazard Note: Irritant/Keep Cold
HazardClass: Irritant

  2-Bromoisonicotinic acid , with CAS number of 66572-56-3, can be called 4-pyridinecarboxylic acid, 2-bromo- ; acide 2-bromoisonicotinique . 2-Bromoisonicotinic acid (CAS NO.66572-56-3) can be used as the pharmaceutical intermediates.