1-[[4-[(dimethylphenyl)azo]dimethylphenyl]azo]-2-naphthaleno;1-[[4-[(dimethylphenyl)azo]dimethylphenyl]azo]-2-Naphthalenol;abcoloilredo;OIL RED O;OIL RED O SOLUTION;SUDAN RED 5B;SOLVENT RED 27;1-[2,5-DIMETHYL-4-(2,5-DIMETHYLPHENYLAZO)PHENYLAZO]-2-NAPHTHOL