Pigment Red 193 is an aluminum salt of a sulfonated azo dye, used as a red pigment in various coloring applications.
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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Erythrosine Lake
Red lake pigment for food and cosmetics
Iron oxide, black
black pigment for paints and coatings
2-[(4-Chloro-2-nitrophenyl)azo]-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-oxobutyramide
Pigment for plastics
Reactive blue 21
reactive dye for textile coloring
Amaranth
synthetic food colorant
Acid red 88
Acid dye for textile coloring
Ponceau 4R
Synthetic food colorant
Acid Black 52
Dye for nylon and wool
The international HS code for Aluminum 3-hydroxy-4-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonic acid (CAS 12227-62-2) is 3204.17.
3204.17
3204 17 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
aluminum 3-hydroxy-4-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonic acid
VGVCYVQGAQCIRY-UHFFFAOYSA-N
C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O.[Al+3]
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