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Basic Information
CAS No.: 1143-72-2
Name: 2,3,4-Trihydroxybenzophenone
Molecular Structure:
Molecular Structure of 1143-72-2 (2,3,4-Trihydroxybenzophenone)
Formula: C13H10O4
Molecular Weight: 230.22
Synonyms: Benzophenone,2,3,4-trihydroxy- (7CI,8CI);Alizarin Yellow A;Alizarine Yellow A;C.I. 57005;Gallobenzophenone;NSC 30665;PHF 005;
EINECS: 214-540-1
Density: 1.413 g/cm3
Melting Point: 139-141 °C
Boiling Point: 439.7 °C at 760 mmHg
Flash Point: 233.9 °C
Solubility: 13.22g/L(24.99 oC)
Appearance: White crystalline powder
Hazard Symbols: IrritantXi
Risk Codes: 36/37/38
Safety: 26-36
PSA: 77.76000
LogP: 2.03440
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Chemistry

IUPAC Name: phenyl-(2,3,4-trihydroxyphenyl)methanone
Synonyms of 2,3,4-Trihydroxybenzophenone (CAS NO.1143-72-2): Alizarin yellow A ; Alizarine Yellow A ; C.I. 57005 ; EINECS 214-540-1 ; Gallobenzophenone ; NSC 30665 ; Benzophenone, 2,3,4-trihydroxy- (8CI) ; Methanone, phenyl(2,3,4-trihydroxyphenyl)- ;
CAS NO: 1143-72-2 
Molecular Formula: C13H10O4
Molecular Weight: 230.2161
H bond acceptors: 4
H bond donors: 3
Freely Rotating Bonds: 5
Polar Surface Area: 44.76 Å2
Index of Refraction: 1.682
Molar Refractivity: 61.69 cm3
Molar Volume: 162.8 cm3
Surface Tension: 70.5 dyne/cm
Density: 1.413 g/cm3
Flash Point: 233.9 °C
Enthalpy of Vaporization: 72.36 kJ/mol
Boiling Point: 439.7 °C at 760 mmHg
Vapour Pressure: 2.42E-08 mmHg at 25°C
Molecular Structure:

Uses

 2,3,4-Trihydroxybenzophenone (CAS NO.1143-72-2) is used as organic intermediates ,microelectronic integrated circuits (IC) industry, photoresist ,pharmaceutical intermediates and UV absorbe.

Safety Profile

Hazard Codes: XiIrritant
Risk Statements of 2,3,4-Trihydroxybenzophenone (CAS NO.1143-72-2): 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36: Wear suitable protective clothing.