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Basic Information
CAS No.: 2732-18-5
Name: 5,7-Dihydroxycoumarin
Article Data: 29
Molecular Structure:
Molecular Structure of 2732-18-5 (5,7-Dihydroxycoumarin)
Formula: C9H6O4
Molecular Weight: 178.144
Synonyms: Coumarin,5,7-dihydroxy- (6CI,7CI,8CI);5,7-Dihydroxy-2H-chromen-2-one;2H-1-Benzopyran-2-one,5,7-dihydroxy-;
Density: 1.563 g/cm3
Melting Point: 280 °C
Boiling Point: 506.402 °C at 760 mmHg
Flash Point: 216.911 °C
PSA: 70.67000
LogP: 1.20420
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    2732-18-5

    5,7-Dihydroxycoumarin

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Chemistry


IUPAC Name: 5,7-Dihydroxychromen-2-one
Molecular Formula: C9H6O4
Molecular Weight: 178.14 g/mol
Canonical SMILES: c12c(ccc(o1)=O)c(O)cc(c2)O
InChI: InChI=1/C9H6O4/c10-5-3-7(11)6-1-2-9(12)13-8(6)4-5/h1-4,10-11H
XLogP3-AA: 1.2
H-Bond Donor: 2
H-Bond Acceptor: 4
Index of Refraction: 1.689
Molar Refractivity: 43.52 cm3
Molar Volume: 113.9 cm3
Polarizability: 17.25×10-24 cm3
Surface Tension: 75.6 dyne/cm
Density: 1.563 g/cm3
Flash Point: 216.9 °C
Enthalpy of Vaporization: 80.57 kJ/mol
Boiling Point: 506.4 °C at 760 mmHg
Vapour Pressure of 5,7-Dihydroxycoumarin (CAS NO.2732-18-5): 7.06E-11 mmHg at 25 °C

Specification

 5,7-Dihydroxycoumarin (CAS NO.2732-18-5), its Synonyms are 2H-1-Benzopyran-2-one, 5,7-dihydroxy- ; 5,7-Dihydroxy-2H-chromen-2-one ; 5,7-Dihydroxy-2H-1-benzopyran-2-one .