Synonyms:
disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate ; certicol brown n extra ; cifoodbrown3 ; 1538 brown ; food brown 3 ; c.i.20285 ; brown ht ; disodium-4,4-(2,4-dihydroxy-5-hydroxymethyl-1,3-phenylenebisazo)-di(naphthalene-1-sulfonate) ; cetricol brown rs ; brown ht (technical product)