Molecular Structure of 5-Hydroxypyrazine-2-carboxylic acid (CAS NO.34604-60-9):

IUPAC Name:6-oxo-1H-pyrazine-3-carboxylic acid
Empirical Formula: C₅H₄N₂O₃
Molecular Weight: 140.0969
H bond acceptors: 5
H bond donors: 2
Freely Rotating Bonds: 1
Polar Surface Area: 58.97 Å²
Molar Refractivity: 31.69 cm³
Molar Volume: 85.6 cm³
Surface Tension: 71.6 dyne/cm
Index of Refraction: 1.662
Surface Tension: 71.6 dyne/cm
Density: 1.63 g/cm³
Flash Point: 321.8 °C
Enthalpy of Vaporization: 95.06 kJ/mol
Boiling Point: 608.5 °C at 760 mmHg
Vapour Pressure: 1.17E-15 mmHg at 25°C
Product Categories: Building Blocks; Heterocyclic Building Blocks; Pyrazines; Pyrazine derivatives
Synonyms of 5-Hydroxypyrazine-2-carboxylic acid (CAS NO.34604-60-9): 5-Hydroxy-2-pyrazinecarboxylic acid ; 5-hydroxy-pyrazine-2-carboxylic acid ; 5-hydroxypyrazine-3-carboxylic acid ; pyrazinecarboxylic acid, 4,5-dihydro-5-oxo- ; 5-hydroxypyrazinoic acid ; 5-hydroxypyrazine-2-carboxylic acid 98% ; 5-hydroxypyrazine-2-carboxylic acid gc 95.0% ; 5-hydroxypyrazine-3-carboxylic acid 95% .

 Hazard Codes: Xi
Risk Statements: 36/37/38
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.
HazardClass: Irritant

 5-Hydroxypyrazine-2-carboxylic acid (CAS NO.34604-60-9)  is a brownish powder, it can be used as building block in chemical synthesis. Attributes development product contact.