Synonyms:
phenolphthalein disodium salt  ; 3 3-bis(p-hydroxyphenyl)phthalide disodium salt ; disodium phenolphthaleinate ; phenolphthalein na salt ; phenolphthalein disodium salt, 95%, pure ; phenolphthalein disodium salt ; phenolphthalein disodium salt (water soluble) ; phenolphthalein sodium salt ; phenolphthalein disodium salt, pure ; phenolphthalein sodium