tetrasodium 7,7-[ureylenebis[(2-methyl-p-phenylene)azo]]dinaphthalene-1,3-disulphonate is a chemical compound registered under CAS number 28706-21-0, with the molecular formula C35H24N6Na4O13S4 and a molecular weight of about 956.82 g/mol. Its EINECS (EC) number is 249-168-9. It is also known as 1,3-Naphthalenedisulfonic acid, 7,7-[iminobis[carbonyl(2- methyl-4,1-phenylene)azo]]bis-, tetrasodium salt; 7,7-[Ureylenebis[(2-methyl-4,1-phenylene)azo]]bis(1,3-naphtha. ChemToTech supplies tetrasodium 7,7-[ureylenebis[(2-methyl-p-phenylene)azo]]dinaphthalene-1,3-disulphonate for laboratory research and bulk production; product code 464064. Send an inquiry for purity, packaging, price and lead time.