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17575-26-7

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Basic Information
CAS No.: 17575-26-7
Name: 4,5,7-Trihydroxycoumarin
Article Data: 3
Molecular Structure:
Molecular Structure of 17575-26-7 (4,5,7-Trihydroxycoumarin)
Formula: C9H6 O5
Molecular Weight: 194.144
Synonyms: Coumarin,4,5,7-trihydroxy- (6CI,7CI,8CI); 4,5,7-Trihydroxycoumarin; NSC 115528
Density: 1.782g/cm3
Boiling Point: 443.9°Cat760mmHg
Flash Point: 188.4°C
Hazard Symbols: Moderately toxic by ingestion.
Risk Codes: 36/37/38
Safety: Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating vapors.
PSA: 90.90000
LogP: 0.90980
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Chemistry

IUPAC Name: 2,5,7-Trihydroxychromen-4-one
Synonyms: 4,5,7-Trihydroxy-coumari ; 4,5-7-Trihydroxy-2h-1-benzopyran-2-on ; 4,5,7-Trihydroxycoumarin ; 2,5,7-Trihydroxychromen-4-one
Molecular Structure of 4,5,7-Trihydroxycoumarin (CAS NO. 17575-26-7) :
Molecular Formula of 4,5,7-Trihydroxycoumarin (CAS NO. 17575-26-7) : C9H6O5
Molecular Weight of 4,5,7-Trihydroxycoumarin (CAS NO. 17575-26-7) : 194.14
CAS NO: 17575-26-7
Mol File: 17575-26-7.mol
Index of Refraction: 1.766
Surface Tension: 105.7 dyne/cm
Density: 1.782 g/cm3
Flash Point: 188.4 °C
Enthalpy of Vaporization: 72.87 kJ/mol
Boiling Point: 443.9 °C at 760 mmHg
Vapour Pressure: 1.71E-08 mmHg at 25°C

Uses

 4,5,7-Trihydroxycoumarin (CAS NO. 17575-26-7) is used as pharmaceutical intermediates.

Toxicity Data With Reference

1.    

orl-mus LD50:>3200 mg/kg

     MPHEAE    Medicina et Pharmacologia Experimentalis. 17 (1967),497.

Safety Profile

Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating vapors.