acid with phenaphthalene indicator
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Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation. 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.
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Phenolphthalein is a chemical compound with the formula C20H14O4 and is often written as "HIn" or "phph" in shorthand notation. 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.
Solubility in water: 400 mg/L
Melting point: 258–263 °C (496–505 °F; 531–536 K)
Chemical formula: C20H14O4
GHS hazard statements: H341, H350, H361
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