Phenolphthalein diphosphate calcium salt is a chemical compound registered under CAS number 94465-66-4, with the molecular formula C20H12Ca2O10P2 and a molecular weight of about 475.26 g/mol. Its EINECS (EC) number is 305-350-0. It is also known as dicalcium isobenzofuran-3,3-diylbis(p-phenylene) bis(phosphate); 4,4'-(1-Oxo-3H-isobenzofuran-3,3-diyl)bisphenol bis(phosphoric acid calcium) salt. ReagentForLab supplies Phenolphthalein diphosphate calcium salt for laboratory research and bulk production; product code 235802. Send an inquiry for purity, packaging, price and lead time.