Sourcing Tartrazine?
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Direct Black 38
direct dye for textiles
Sourcing Tartrazine?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Tartrazine is a synthetic lemon-yellow azo dye used primarily as a food coloring. It is the trisodium salt of tartrazine acid and also serves as a histological dye.
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 Tartrazine (CAS 1934-21-0) 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.
trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate
UJMBCXLDXJUMFB-UHFFFAOYSA-K
C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]