1-amino-2,7-naphthalenedisulfonic acid is a chemical compound registered under CAS number 486-54-4, with the molecular formula C10H9NO6S2 and a molecular weight of about 303.31 g/mol. It is also known as 1-Naphthylamine-2,7-disulfonic acid; Kalles acid. SixChem supplies 1-amino-2,7-naphthalenedisulfonic acid for laboratory research and bulk production; product code 436628. Send an inquiry for purity, packaging, price and lead time.