Acid red 52 is a sulfonated xanthene dye used primarily for dyeing wool and polyamide fibers. It is characterized by its anionic sulfonate groups and cationic iminium moiety, contributing to its affinity for protein-based and synthetic polyamide textiles.
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 Acid red 52?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Pigment orange 13
organic pigment for printing inks
Methanaminium, N-[4-[(2-chlorophenyl)[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride (1:1)
Cationic dye for textiles
D&C Red 33
Red azo dye for cosmetics
5-Sulfoanthranilic acid
synthesis of azo dyes
Rhodamine B
Dye for paper and textiles
Pigment Violet 1
purple pigment for coloring
Xanthylium, 3,6-bis(diethylamino)-9-[2-(methoxycarbonyl)phenyl]-, chloride (1:1)
Fluorescent dye
Basic violet 11:1
Fluorescent solvent dye
The international HS code for Acid red 52 (CAS 3520-42-1) 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-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]benzene-1,3-disulfonate
SXQCTESRRZBPHJ-UHFFFAOYSA-M
CCN(CC)C1=CC2=C(C=C1)C(=C3C=CC(=[N+](CC)CC)C=C3O2)C4=C(C=C(C=C4)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+]
Sourcing Acid red 52?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.