Safety Reference
Warning
H373May cause damage to organs through prolonged or repeated exposure
Sourcing INDIGO?
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Fluorescent brightener 367
fluorescent whitening agent
Sourcing INDIGO?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Indigo is a blue vat dye historically derived from plants and now produced synthetically. It is primarily used for dyeing textiles, especially denim for blue jeans, due to its distinctive color and excellent fastness properties.
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.
The international HS code for INDIGO (CAS 482-89-3) is 3204.15.
3204.15
3204 15 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
2-(3-hydroxy-1H-indol-2-yl)indol-3-one
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C1=CC=C2C(=C1)C(=C(N2)C3=NC4=CC=CC=C4C3=O)O