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Certificate of Analysis

Phenolphthalein, GR

Code: P 1537

(For eg. B 1615-0108)

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

P 1537 (OTTO) Phenolphthalein, GR Cas 77-09-8 - used as a colorimetric pH indicator.