Ordinary name

tetrasodium-4-amino-5-hydroxy-3, 6 (bis(4-(2-(sulfonatooxi) ethylsulfonyl) phenyl) azo)-naphthalene-2, 7-disulfonate

Synonyms

C.I. Reactive Black 5, Reactive Black 5, Remazol Black 5, Reactive Black B, Remazol Black B, Drimaren Black R/K-3B

Molecular formula

C₂₆H₂₁N₅Na₄O₁₉S₆

Chemical structure

Chemical class

Diazo

Molecular weight

991.82

λmax/nm

595 nm

Nature

Anionic reactive dye