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81-90-3

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Basic Information
CAS No.: 81-90-3
Name: PHENOLPHTHALIN
Article Data: 26
Molecular Structure:
Molecular Structure of 81-90-3 (PHENOLPHTHALIN)
Formula: C20H15O4
Molecular Weight: 320.345
Synonyms: 2-[bis(4-hydroxyphenyl)methyl]benzoic acid;Phenolphthalin;alpha,alpha-Bis(4-hydroxyphenyl)-o-toluic acid;
EINECS: 201-384-4
Density: 1.323 g/cm3
Melting Point: 238 °C
Boiling Point: 548.7 °C at 760 mmHg
Flash Point: 299.7 °C
Solubility: 175mg/L(20 oC)
Appearance: white glistening fine crystalline powder
Safety: 24/25
PSA: 77.76000
LogP: 3.97620
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Chemistry

IUPAC  Name: 2-[bis(4-Hydroxyphenyl)methyl]benzoic acid     
Empirical Formula: C20H16O4
Molecular Weight: 320.3386 
Freely Rotating Bonds: 6
Polar Surface Area: 44.76 Å2
Index of Refraction: 1.672
Molar Refractivity: 90.66 cm3
Molar Volume: 242 cm3
Surface Tension: 63.5 dyne/cm
Density: 1.323 g/cm3
Flash Point: 299.7 °C
Enthalpy of Vaporization: 87.17 kJ/mol
Boiling Point: 548.7 °C at 760 mmHg
Vapour Pressure: 7.12E-13 mmHg at 25°C 
The Cas Register Number of  2-[bis(4-Hydroxyphenyl)methyl]benzoate is 81-90-3.The chemical synonyms of  2-[bis(4-Hydroxyphenyl)methyl]benzoate (CAS NO.81-90-3) are Phenolphthalin  and  Phenolphthalein .The molecular structure of  2-[bis(4-Hydroxyphenyl)methyl]benzoate (CAS NO.81-90-3) is
.

Uses

  2-[bis(4-Hydroxyphenyl)methyl]benzoate (CAS NO.81-90-3) is used in organic synthesis .

Safety Profile

Safety Statements: 24/25 
S24/25: Avoid contact with skin and eyes.