Product code RXSOL-60-6605-218
Sale Price: 63,000.00 INR
- Generic name
- Pink Colour Indicator
- Pack size
- PHENOLPHTHALEIN POWDER is available in 100 gram, 200, 500, 1 Kg, 5 Kg, 25 Kg Powder Pack
- Unit
- Kg
- Quantity per unit
- 25.00
Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. ... It is a weak acid, which can lose H+ ions in solution.
Application
Phenolphthalein, (C20H14O4), an organic compound of the phthalein family that is widely employed as an acid-base indicator. As an indicator of a solution's pH, phenolphthalein is colourless below pH 8.5 and attains a pink to deep red hue above pH 9.0.
Other Names
PHENOLPHTHALEIN INDICATOR 25 Kg Powder PACK
Useful Area
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 Area
Phenolphthalein is a colourless, weak acid which dissociates in water forming pink anions. Under acidic conditions, the equilibrium is to the left,and the concentration of the anions is too low for the pink colour to be observed.
Identification
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.