Direct Blue 15 is an organic compound belonging to the azo dye class. It is a dark blue, water-soluble solid and serves as a substantive dye, meaning it is directly effective for coloring cotton and other cellulosic fibers.
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.
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CAS 2429-74-5
Trypan blue sodium
biological stain and dye
Direct blue 218
Direct dye for cellulose and textiles
Malachite green oxalate (2:3)
Dye for textiles and biological stain
Disodium 8-oxido-6-sulfonaphthalene-2-sulfonate
dye intermediate
Auramine hydrochloride
dye for textiles and paper
5,5',7,7'-tetrabromoindigo
Vat dye for textiles
Direct Blue 6
Direct dye for textiles
Evans blue
biological stain dye
tetrasodium;5-amino-3-[[4-[4-[(8-amino-1-hydroxy-3,6-disulfonatonaphthalen-2-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-4-hydroxynaphthalene-2,7-disulfonate
OLSOUGWNONTDCK-UHFFFAOYSA-J
COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])N)O)OC)N=NC5=C(C6=C(C=C(C=C6C=C5S(=O)(=O)[O-])S(=O)(=O)[O-])N)O.[Na+].[Na+].[Na+].[Na+]