Phenolphthalein (C.I. 764) (A1132)
AppliChem GmbHMelting range: 258 - 263°CTransition interval: pH 8.2 - 10.0 (colorless - redviolet)Formula: C20H14O4M: 318.33 g/molCAS-No.: 77-09-8HS-No.: 29322910EC-No.: 201-004-7Storage: RTLGK: 6.1 ADisposal: 9R: 45-62-68S: 53-45hazardidentification: carcinogenic, toxic for reproductionWGK: 3Specification: Assay (titr.): 98 - 101 %