Sulfan blue is a dark greenish-black powder used as a medicinal and industrial dye. It is applied in dyeing wool, silk, leather, and paper, and is also used as a biological stain.
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.
Sourcing Patent Blue VF?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Hydrogen (4-(4-(diethylamino)-2',4'-disulphonatobenzhydrylidene)cyclohexa-2,5-dien-1-ylidene)diethylammonium, aluminium salt
lake pigment for coloring
Patent blue v sodium
food dye and histological stain
Patent Blue V
synthetic food colorant
Acid Green 16
acid dye for textiles
9,10-Anthracenedione, 1,8-diamino-
dye intermediate
1,5-diaminoanthraquinone
dye intermediate for disperse dyes
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, disodium salt
Mordant dye and analytical reagent
Sodium naphthionate
naphthalene sulfonate dye intermediate
The international HS code for Patent Blue VF (CAS 129-17-9) is 3204.12.
3204.12
3204 12 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
sodium 4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate
SJEYSFABYSGQBG-UHFFFAOYSA-M
CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=C(C=C(C=C3)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+]
Sourcing Patent Blue VF?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.