Eriochrome blue-black R, pure, C.I. 15705, Metal indicator

Synonyms:

C.I. 15705 / Eriochromeý Blue Black R / Mordant Black 17 / Zinchrome R3-Hydroxy-4-(2-hydroxy-1-naphthylazo)-1-naphthalenesulfonic acid, sodium salt

COASDS Spec Document