.alpha.-Naphthol Orange 1333 Orange 4-(p-Sulfophenylazo)-1-naphthol, monosodium salt 4-(p-Sulfophenylazo)-1-naphthol, sodium salt 4-[(4-Hydroxy-1-naphthalenyl)azo]benzenesulfonic acid, monosodium salt 4-p-Sulfophenylazo-1-naphthol monosodium salt 523-44-4 A.F. Orange No. 1 Acid Leather Orange I Acid Orange 20 Acid Orange I Acid phosphine cl Aizen Food Orange No. 1 Aizen Naphthol Orange I Aizen Orange I Benzenesulfonic acid, 4-[(4-hydroxy-1-naphthalenyl)azo]-, monosodium salt Benzenesulfonic acid, p-[(4-hydroxy-1-naphthyl)azo]-, sodium salt C.I. 14600 C.I. Acid Orange 20 C.I. Acid Orange 20, Monosodium Salt Certiqual Orange I D & C Orange No. 3 Dye orange No. 1 Egacid Orange GG Elgacid Orange 2G Eniacid Orange I Ext. D and C Orange No. 3 External