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Phenolphthalein

Phenolphthalein / CAS : 77-09-8

Appearance The crystal is white or yellow at room temperature UN 1993
HS 29054200 DG Class 3
Synonyms 3,3-Bis(4-Hydroxyphenyl)Isobenzofuran-1(3H)-One; Phenolphthalein Indicator Solution; 1(3H)-Isobenzofuranone, 3,3-bis(4-Hydroxyphenyl)-
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Properties

Summary

Formula
C20H14O4
Molecular Mass
318.32300
Exact Mass
318.08900
PSA
66.76000
Logp
3.56010
IUPAC
3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one
SMILES
C1=CC=C2C(=C1)C(=O)OC2(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Digestive System Drugs

Chemical and Physical Properties

Melting Point
258-263 °C
Density
1.299
Boiling Point
548.7ºC
Flash Point
24 °C
Appearance
The crystal is white or yellow at room temperature
Acidity and Basicity
acidness

Export information

HS Code
29054200
Export Rebate
13%
UN No.
1993
DG-Class
3
Risk Code
R40-22-10-36/38-23/25-11-36/37/38-68-62-45-39/23/24/25-23/24/25
Safety Label
Xn,T,F,Xi

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