-
Name
5-Hydroxypyrazine-2-carboxylic acid
- EINECS 640-522-1
- CAS No. 34604-60-9
- Article Data5
- CAS DataBase
- Density 1.613 g/cm3
- Solubility
- Melting Point >295°C (dec.)
- Formula C5H4N2O3
- Boiling Point 608.49 °C at 760 mmHg
- Molecular Weight 140.098
- Flash Point 321.804 °C
- Transport Information
- Appearance Brownish powder
- Safety 26-36
- Risk Codes 36/37/38
-
Molecular Structure
-
Hazard Symbols
Xi
- Synonyms Pyrazinecarboxylicacid, 4,5-dihydro-5-oxo- (9CI);Pyrazinecarboxylic acid, 5-hydroxy- (7CI);5-hydroxypyrazinoic acid;
- PSA 83.31000
- LogP -0.11960
5-Hydroxypyrazine-2-carboxylic acid Chemical Properties
Molecular Structure of 5-Hydroxypyrazine-2-carboxylic acid (CAS NO.34604-60-9):
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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% .
5-Hydroxypyrazine-2-carboxylic acid Safety Profile
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 Specification
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.
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