Reactive Navy Blue HE2R Reactive Blue 173 Reactive blue 182 Reactive Blue M4GD Reactive Blue 177 2,7-Naphthalenedisulfonic acid, 4-amino-6-[2-[5-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]diazenyl]-3-[2-(2,5-disulfophenyl)diazenyl]-5-hydroxy-, sodium salt (1:5) Reactive Navy Blue Ker Reactive Blue 174 Pyridinium, 1,1'-[(6,13-dichloro-4,11-disulfo-3,10-triphenodioxazinediyl)bis[imino-2,1-ethanediylimino[6-[(2,5-disulfophenyl)amino]-1,3,5-triazine-4,2-diyl]]]bis[3-carboxy-, dihydroxide, bis(inner salt), hexasodium salt