Molecular Structure:
Molecular Formula: C7H6O4S
Molecular Weight: 186.1851
Systematic Name: 5-(Methoxycarbonyl)thiophene-2-carboxylic acid
Synonyms of 5-(Methoxycarbonyl)thiophene-2-carboxylic acid (CAS NO.50340-79-9): 2,5-Thiophenedicarboxylic acid, monomethyl ester
CAS NO: 50340-79-9
Index of Refraction: 1.584
Molar Refractivity: 43.34 cm3
Molar Volume: 129.3 cm3
Surface Tension: 58.3 dyne/cm
Density: 1.439 g/cm3
Flash Point: 174.7 °C
Enthalpy of Vaporization: 64.52 kJ/mol
Boiling Point: 365.2 °C at 760 mmHg
Vapour Pressure of 5-(Methoxycarbonyl)thiophene-2-carboxylic acid (CAS NO.50340-79-9): 5.62E-06 mmHg at 25°C
A monoester derivative of of 5-(Methoxycarbonyl)thiophene-2-carboxylic acid (CAS NO.50340-79-9) , the carboxylic acid and the carboxylic acid ester groups are approximately coplanar with thiophene ring, making a dihedral angle of 3.1 (4) and 3.6 (4)°, respectively. In the crystal structure, molecules are connected by classical intermolecular O-HO hydrogen bonds, forming centrosymmetric dimers.
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