Title
PHENOLPHTHALEIN INDICATOR SOLUTION 1%
SKU
RXSOL-60-6605-217
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Locations
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PHENOLPHTHALEIN INDICATOR SOLUTION 1% is available in small packing as well as in bulk. Buy premium quality PHENOLPHTHALEIN INDICATOR SOLUTION 1% and other lab chemicals from one of the most trusted brands.
Category
Lab Chemical-60
SHORT DESCRIPTION:
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FIELD NOTE:
Phenolphthalein is an acid base indicator. It is a weak acid, which is colorless in acidic solution and turns puce pink in alkaline solution. Phenolphthalein is genotoxic.
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.
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.
Phenolphthalein is basic indicator which remain colorless in acidic and neutral solution and turns pink or magenta in basic solution. ... (iii) If few drops of NaOH is added again to the same solution, the solution become basic and the pink color of the phenolphthalein reappears.