5-Methyl-2-pyrazinecarboxylic acid (5521-55-1),5-Methyl-2-pyrazinecarboxylic acid (5521-55-1) Manufacturers & Suppliers,Synthesis,MSDS

Basic information

Name:
5-Methyl-2-pyrazinecarboxylic acid
CAS No.:
5521-55-1
Molecular Structure:
Formula:
C₆H₆N₂O₂
Molecular Weight:
138.13 .
Synonyms:
2-Pyrazinecarboxylicacid, 5-methyl-;Pyrazinecarboxylic acid, 5-methyl- (7CI,8CI,9CI);2-Methylpyrazine-5-carboxylic acid;5-Methyl-2-pyrazinoic acid;5-Methylpyrazine carboxylic acid;5-Methylpyrazine-2-Carboxylic Acid;
EINECS:
413-260-9
Density:
1.319 g/cm³
Melting Point:
167-171 °C(lit.)
Boiling Point:
316.5 °C at 760 mmHg
Flash Point:
145.2 °C
Appearance:
Pale Brown Powder
Hazard Symbols:
Xi
Risk Codes:
41-36/37/38
Safety Description:
26-39-36 Details

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Chemistry

Molecular Structure of 5-Methyl-2-pyrazinecarboxylic acid (CAS NO.5521-55-1):

IUPAC Name: 5-methylpyrazine-2-carboxylic acid
Empirical Formula: C₆H₆N₂O₂
Molecular Weight: 138.124
H bond acceptors: 4
H bond donors: 1
Freely Rotating Bonds: 1
Polar Surface Area: 52.08 Å²
Molar Refractivity: 34.19 cm³
Molar Volume: 104.6 cm³
Index of Refraction: 1.566
Surface Tension: 63.3 dyne/cm
Density: 1.319 g/cm³
Flash Point: 145.2 °C
Enthalpy of Vaporization: 58.9 kJ/mol
Boiling Point: 316.5 °C at 760 mmHg
Vapour Pressure: 0.000172 mmHg at 25°C
Melting Point: 167-171 °C(lit.)
Synonyms of 5-Methyl-2-pyrazinecarboxylic acid (CAS NO.5521-55-1): 2-pyrazinecarboxylic acid, 5-methyl- ; 5-Methylpyrazine-2-Carboxylic Acid ; 5-Methylpyrazinecarboxylic acid ; Pyrazinecarboxylic acid, 5-methyl-

Uses

5-Methyl-2-Pyrazinecarboxylic acid (CAS NO.5521-55-1) is used as an intermediate in the synthesis of glipizide.

Safety Profile

Hazard Codes: : Irritant Xi
Risk Statements: 41-36/37/38
R41:Risk of serious damage to the eyes.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-39-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S39:Wear eye / face protection.
S36:Wear suitable protective clothing.
WGK Germany: 1
Hazard Note: Irritant

Specification

5-Methyl-2-pyrazinecarboxylic acid (CAS NO.5521-55-1) is a pale brown powder, it can be made by 2,5-2-methyl or 2-methyl-5-(substituted) methyl pyrazine electrolytic oxidation .Preparation Products are Acipimox , raw material is 2-Methylpyrazine .