CAS 267240-23-3 Phenolphthalein diphosphate pyridine salt Chemical Report & Database ... The Phenolphthalein diphosphate pyridine salt World Consumption Report & Database definitions: Name: Phenolphthalein diphosphate pyridine salt: Phenolphthalein-diphosphate-pyridine-salt; Phenolphthalein bisphosphate pyridine salt Synonyms: Phenolphthalein ...