Sudan Red G is a solvent dye primarily used for coloring inks and plastics. It has a characteristic azo structure containing aromatic rings and an ether group, and is also listed under the name Solvent Red 1.
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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Citrus Red 2
Food dye for orange skins
Methylene blue trihydrate
Biological stain and dye
P-aminophenol
dye intermediate and photographic developer
Perylene red
fluorescent solvent dye
Acid Blue 161
acid dye for textiles
1-(2-METHOXY-D3-PHENYLAZO)-2-NAPHTHOL
Azo dye for coloration
The international HS code for Sudan Red G (CAS 1229-55-6) is 3204.19.
3204.19
3204 19 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
1-[(2-methoxyphenyl)diazenyl]naphthalen-2-ol
ALLOLPOYFRLCCX-UHFFFAOYSA-N
COC1=CC=CC=C1N=NC2=C(C=CC3=CC=CC=C32)O
Sourcing Sudan Red G?
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