3-hydroxy-4-[[4-[[4-[(2-hydroxy-6-sulpho-1-naphthyl)azo]-o-tolyl]methyl]-m-tolyl]azo]naphthalene-2,7-disulphonic acid, compound with N,N'-di(o-tolyl)guanidine, sodium salt

CAS No: 85030-32-6

hydroxy,sulpho,naphthyl,tolyl,methyl,naphthalene,disulphonic,compound,guanidine,sodium