2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-(phenylazo)-, disodium salt 5859-00-7 Acid Orange R Acid Ponceau 2G Brilliant Orange 2R C.I. 16100 C.I. Acid Orange 14 C.I. Acid Orange 14, disodium salt Cetil Orange RR Colacid Orange R Croceine Orange 2R Kayaku Acid Orange G Kiton Ponceau 2G NSC45548 Naphthalene Lake Orange R Orange R Ponceau G Tertracid Orange P2G