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Phenolphthalein Indicator

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Phenolphthalein Indicator

SKU:
SKU
RXSOL-60-6201-100
Product Category:
Short Description
Short Description
Lab Reagent Resulting colour is deep pink in alkaline medium.
Other Equivalent Brand Products
Also known as

Phenolphthalein Indicator 100 Gram Powder Pack

Product Description

Phenolphthalein Indicator Powder and solution manufacturer and supplier. Lab Reagent chemicals Resulting colour is deep pink in alkaline medium.

Application

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.
 

Dose

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).

Note
Note

Product Remark
Remarks

Phenolphthalein is basic indicator which remain colorless in acidic and neutral solution and turns pink or magenta in basic solution. If few drops of NaOH is added again to the same solution, the solution become basic and the pink color of the phenolphthalein reappears.

Industrial Usage

Question: How to make phenolphthalein TEST solution?

Ans: Dissolve 10.0 g of phenolphthalein powder in 750 mL of ethanol and dilute to 1 L with distilled water. Add 0.1 N sodium hydroxide (NaOH) solution dropwise to the first permanent faint pink end point. Color and pH range: colorless 8.3-10.0 red.

Useful Area

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.

Related Information
Note

Supply Location
Locations

Phenolphthalein indicator manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai UAE, Muscat Oman, Kenya Africa. Get the best quality of Phenolphthalein indicator at a competitive price from us. We have ready stock of Phenolphthalein indicator in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders.

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