Safety Reference
Danger
H350May cause cancer
H361Suspected of damaging fertility or the unborn child
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Direct Black 38
direct dye for textiles
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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. Direct green 1 (CAS 3626-28-6) is 3204.14.
3204.14
3204 14 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
disodium;4-amino-5-hydroxy-3-[[4-[4-[(4-hydroxyphenyl)diazenyl]phenyl]phenyl]diazenyl]-6-phenyldiazenylnaphthalene-2,7-disulfonate
DDLNJHAAABRHFY-UHFFFAOYSA-L
C1=CC=C(C=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=C(C=C4)C5=CC=C(C=C5)N=NC6=CC=C(C=C6)O)N)O.[Na+].[Na+]