Safety Reference
Warning
H411Toxic to aquatic life with long lasting effects
H315Causes skin irritation
H319Causes serious eye irritation
H412
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Acid Green 20
Acid dye for textiles
Sourcing C.I. Acid Black 194?
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C. I.
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 C.I. Acid Black 194 (CAS 61931-02-0) 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 3-hydroxy-4-[(2-hydroxynaphthalen-1-yl)diazenyl]-7-nitronaphthalene-1-sulfonate
DXRWYIKGBIPGAG-UHFFFAOYSA-M
C1=CC=C2C(=C1)C=CC(=C2N=NC3=C4C=CC(=CC4=C(C=C3O)S(=O)(=O)[O-])[N+](=O)[O-])O.[Na+]