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71189-23-6

Basic Information
CAS No.: 71189-23-6
Name: Thiophene-2,3-dicarboxylic acid
Article Data: 6
Molecular Structure:
Molecular Structure of 71189-23-6 (Thiophene-2,3-dicarboxylic acid)
Formula: C4H2 N2 O S
Molecular Weight: 126.139
Synonyms: 2-Thiazolylisocyanate
Density: 1.41
Boiling Point: 216 ºC
Flash Point: 85 ºC
PSA: 102.84000
LogP: 1.14450
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Chemistry

IUPAC Name:  5-(Thiophene-2-carbonylamino)benzene-1,3-dicarboxylic acid
Synonyms:  2,3-Thiophenedicarboxylic acid ; 2-Thiazole isocyanate ; 2-Isocyanato-thiazole ; Thiophene-2,3-dicarboxylic acid
The Molecular Formula of  Thiophene-2,3-dicarboxylic acid (CAS NO.71189-23-6):C6H4O4S
The Molecular Weight of  Thiophene-2,3-dicarboxylic acid (CAS NO.71189-23-6):172.1586g/mol
The Molecular Structure of  Thiophene-2,3-dicarboxylic acid (CAS NO.71189-23-6):
Index of Refraction: 1.662
Molar Refractivity: 38.49 cm3
Molar Volume: 103.9  cm3
Surface Tension: 83.9 dyne/cm
Density: 1.655 g/ cm3
Flash Point: 199.3 °C
Enthalpy of Vaporization: 69.34 kJ/mol
Boiling Point: 405.9 °C at 760 mmHg
Vapour Pressure: 2.57E-07 mmHg at 25°C

Uses

  Thiophene-2,3-dicarboxylic acid (CAS NO.71189-23-6) can be used in organic synthesis.