Synonyms: | Chromotrope 2R, pure;2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(phenylazo)-, disodium salt;2-(Phenylazo)chromotropic acid disodium salt, Acid Red29;C.I.Mordant Blue 80;Chromotrope N-2R;Chromotrop 2 R, C.I. 16570, for complexometry;Acid phloxin GR;Benzeneazo-1,8-dihydroxynaphthalene-3,6-disulfonic acid sodiuM salt |