Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing Disodium 4,4'-dinitro-2,2'-stilbenedisulfonate?
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Coumarin 6
fluorescent solvent dye
Sourcing Disodium 4,4'-dinitro-2,2'-stilbenedisulfonate?
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Disodium 4,4'-dinitro-2,2'-stilbenedisulfonate is a white powder. It is used as an intermediate in the production of dyes and optical brighteners.
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 Disodium 4,4'-dinitro-2,2'-stilbenedisulfonate (CAS 3709-43-1) is 2904.99.
2904.99
2904 99 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;5-nitro-2-[(E)-2-(4-nitro-2-sulfonatophenyl)ethenyl]benzenesulfonate
SDCDTWFAOKXZHD-SEPHDYHBSA-L
C1=CC(=C(C=C1[N+](=O)[O-])S(=O)(=O)[O-])/C=C/C2=C(C=C(C=C2)[N+](=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]