Phenolphthalein Indicator
Lab Reagent Resulting colour is deep pink in alkaline medium.
Application & Uses
Product Name ::: Phenolphthalein ( White ) IP
CHEMICAL NAME ::: : 3, 3 Bis (p-Hydroxyphenyl) Phthalide
CAS NO. ::: : 77-09-08
MOLECULAR FORMULA : C20H1404
MOLECULAR WEIGHT : 318.32
Identification : Dissolve in dilute solution of alkali hydroxides & in hot solution of alkali carbonates forming red solution which is decolorized by dilute acids.
Dosage & Directions for Use
Phenolphthalein is used as an acid or base indicator where, in contact or presence of acid, it will turn colorless and with a base, it will turn into a fuchsia color. It is also a component in universal indicator, a solution consisting of a mixture of pH indicators (usually phenolphthalein, methyl red, bromothymol blue, and thymol blue).
Technical Specifications & Properties
Recommended Industrial & Shipboard Areas
A strong acid- strong base titration is performed using a phenolphthalein indicator. Phenolphtalein is chosen because it changes color in a pH range between 8.3 – 10. It will appear pink in basic solutions and clear in acidic solutions.
Product Description & Chemical Profile
Phenolphthalein Indicator Powder and solution manufacturer and supplier. Lab Reagent chemicals Resulting colour is deep pink in alkaline medium.
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