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Phenolphthalein Indicator 500ml AR

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Phenolphthalein Indicator 500ml AR




Phenolphthalein Indicator 500ml AR


Its used in laboratory for research and analysis

Phenolphthalein is often used as an indicator in acid–base titrations.

For this application, it turns colorless in acidicsolutions and pink in basic solutions.

It belongs to the class of dyes known a phthalein dyes

Formula: C20H14O4
Molar mass: 318,32 g/mol
Boiling point: 557,8 °C
UV-vis (λmax): 552 nm (1st); 374 nm (2nd)


Additional information

Weight 0.500 kg
Dimensions 20 × 20 × 20 cm


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