Sourcing C.I. Direct Black 19, disodium salt?
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acid dye for textiles
Sourcing C.I. Direct Black 19, disodium salt?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
C. I.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
disodium;4-amino-3,6-bis[[4-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]-5-hydroxynaphthalene-2,7-disulfonate
UZZFFIUHUDOYPS-UHFFFAOYSA-L
C1=CC(=CC=C1N=NC2=C(C=C(C=C2)N)N)N=NC3=C(C4=C(C(=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)N)O.[Na+].[Na+]