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Basic Information
CAS No.: 633-00-1
Name: 4-(Bis(4-hydroxyphenyl)methylene)-2-methyl-2,5-cyclohexadien-1-one
Molecular Structure:
Molecular Structure of 633-00-1 (4-(Bis(4-hydroxyphenyl)methylene)-2-methyl-2,5-cyclohexadien-1-one)
Formula: C20H16 O3
Molecular Weight: 304.34
Synonyms: 2,5-Cyclohexadien-1-one,4-[bis(p-hydroxyphenyl)methylene]-2-methyl- (8CI); Rosolic acid (6CI)
Density: 1.275±0.06 g/cm3(Predicted)
Boiling Point: 544.8±50.0 °C(Predicted)
PSA: 57.53000
LogP: 3.98490
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Chemistry

IUPAC Name: 4-[bis(4-Hydroxyphenyl)methylidene]-2-methylcyclohexa-2,5-dien-1-one
Synonyms of Rosolic acid (CAS NO.633-00-1) : 4-(Bis(p-Hydroxyphenyl)methylene)-2-methyl-2,5-cyclohexadien-1-one ; 2,5-Cyclohexadien-1-one, 4-(bis(p-hydroxyphenyl)methylene)-2-methyl-
CAS NO:633-00-1
Molecular Formula:C20H16O3
Molecular Weight :304.33924 g/mol
Molecular Structure :
Index of Refraction:1.67
Surface Tension: 57 dyne/cm
Density: 1.275 g/cm3
Flash Point: 297.4 °C
Melting point :308-310 °C
Enthalpy of Vaporization: 85.44 kJ/mol
Boiling Point: 544.8 °C at 760 mmHg
Vapour Pressure: 1.75E-12 mmHg at 25°C 
Appearance: Rosolic acid (CAS NO.633-00-1) is dark red crystals, with metallic luster.

Uses

 Rosolic acid (CAS NO.633-00-1) is used as acid-base indicators and dyes intermediates.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 49mg/kg (49mg/kg)   Nagoya Journal of Medical Science. Vol. 32, Pg. 453, 1970.
mouse LD50 subcutaneous 82mg/kg (82mg/kg)   Nagoya Journal of Medical Science. Vol. 32, Pg. 453, 1970.