Description
Phenolphthalein, Solution. 2-[Bis (4-hydroxyphenyl)methyl]benzoic acid. CAS RN 77-09-8. Formula weight: 318.33. C20H14O4 in alcohol mix. Solution, StandARd, 1.0% in 95% alcohol. Indicator, APHA. pH 8.0 (colorless) – pH 10.0 (red). Subject to postal/shipping restrictions. 1L.