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Basic Information
CAS No.: 81-92-5
Name: 2-[BIS(4-HYDROXYPHENYL)METHYL]BENZYL ALCOHOL
Molecular Structure:
Molecular Structure of 81-92-5 (2-[BIS(4-HYDROXYPHENYL)METHYL]BENZYL ALCOHOL)
Formula: C20H18O3
Molecular Weight: 306.361
Synonyms: Regmolax;2-(4,4'-Dihydroxy-benzhydryl)-benzylalkohol;2-(4,4'-dihydroxy-benzhydryl)-benzyl alcohol;Bis-(4-oxy-phenyl)-(2-oxymethyl-phenyl)-methan;2-[Bis(4-hydroxyphenyl)methyl]benzyl Alcohol;EINECS 201-386-5;Normolax;4'.4''.21-Trioxy-2-methyl-triphenylmethan;Benzenemethanol,2-[bis(4-hydroxyphenyl)methyl];4'.4''-Dioxy-2-oxymethyl-triphenylmethan;Velaxin;2-(bis(4-hydroxyphenyl)methyl)-benzenemethanol;o-(Bis(p-hydroxyphenyl)methyl)benzyl alcohol;Phenolphthalol;Benzenemethanol, 2-[bis(4-hydroxyphenyl)methyl]-;Egmol;
Density: 1.258g/cm3
Melting Point: 204oC
Boiling Point: 513°C at 760 mmHg
Flash Point: 241.1°C
Safety: A poison by subcutaneous route. When heated to decomposition it emits acrid smoke and irritating vapors.
PSA: 60.69000
LogP: 3.77030
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Chemistry

IUPAC Name: 4-[[2-(Hydroxymethyl)phenyl]-(4-hydroxyphenyl)methyl]phenol
Synonyms of Phenolphthalol (CAS NO.81-92-5) : 2-(4,4'-Dihydroxybenzhydryl)benzyl Alcohol ; 2-[Bis(4-Hydroxyphenyl)methyl]benzenemethanol ; 4,4'-{[2-(Hydroxymethyl)phenyl]methanediyl}diphenol ; Dihydroxyphenylmethenylbenzyl Alcobol
CAS NO: 81-92-5
Molecular Formula:C20H18O3
Molecular Weight :306.36
Molecular Structure :
EINECS:201-386-5
Index of Refraction: 1.663
Surface Tension: 59.1 dyne/cm
Density: 1.258 g/cm3
Flash Point: 241.1 °C
Enthalpy of Vaporization: 82.58 kJ/mol
Boiling Point: 513 °C at 760 mmHg
Vapour Pressure: 2.39E-11 mmHg at 25°C
Melting Point: 204 °C

Uses

 Phenolphthalol (CAS NO.81-92-5) is used as intermediate in organic synthesis.

Toxicity Data With Reference

1.    

scu-rat TDLo:160 mg/kg/18H

     JAFCAU    Journal of Agricultural and Food Chemistry. 18 (1970),1108.

Safety Profile

A poison by subcutaneous route. When Phenolphthalol (CAS NO.81-92-5) is heated to decomposition, it emits acrid smoke and irritating vapors.