Phenolphthalein, an organic compound with the chemical formula C20H14O4, is a weak acid which can be used as an indicator for acid-base titrations. In acidic solutions, the compound is colourless. It is pinkish in simple solutions (with the transition occurring around pH 9).
Powder
CHO
77-09-8
1.672 ; MDL, MFCD00005913 ;
318.32 g/mol
(CHO)
(98% to 99%
557.8 C
Phenolphthalein is often used as an indicator in acidbase titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. It belongs to the class of dyes known as phthalein dyes.
water
29322020
3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
260 C
Industrial Grade
Inorganic Chemicals
Trade Information
AGRA
Cash Advance (CA), Cash in Advance (CID), Telegraphic Transfer (T/T)
5 Tonne Per Day
7 Week
50 kgs
Asia, Australia, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa
Uttar Pradesh
Analysis
Product Description
Description. Phenolphthalein appears as white or yellowish-white to pale orange fine crystalline powder. Odorless. Aqueous solution is acidic. Colorless to pH 8.5; pink to deep-red above pH