phenolphthalein carbinol disulfate, tripotassium salt.H2O is a chemical compound registered under CAS number 123333-59-5, with the molecular formula C20H16 O11 S2 . x H2 O . 3 K. Its EINECS (EC) number is 263-648-5. It is also known as Phenolphthalein carbinol disulfate tripotassium salt hydrate. ReagentForLab supplies phenolphthalein carbinol disulfate, tripotassium salt.H2O for laboratory research and bulk production; product code 456872. Send an inquiry for purity, packaging, price and lead time.