5-sulphoisophthalic acid, potassium salt is a chemical compound registered under CAS number 71872-94-1, with the molecular formula C8H3K3O7S and a molecular weight of about 360.47 g/mol. Its EINECS (EC) number is 276-103-1. It is also known as 5-Sulfo-1,3-benzenedicarboxylic acid/potassium,(1:x) salt. KingChemi supplies 5-sulphoisophthalic acid, potassium salt for laboratory research and bulk production; product code 397617. Send an inquiry for purity, packaging, price and lead time.