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This compound is the disodium salt of 4-acetamido-5-hydroxynaphthalene-2,7-disulfonic acid. It serves as a naphthalene sulfonate dye intermediate.
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 2,7-Naphthalenedisulfonic acid, 4-(acetylamino)-5-hydroxy-, disodium salt (CAS 16698-16-1) is 2924.29.
2924.29
2924 29 70
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-acetamido-5-hydroxynaphthalene-2,7-disulfonate
CJRBREZYNHILPS-UHFFFAOYSA-L
CC(=O)NC1=C2C(=CC(=C1)S(=O)(=O)[O-])C=C(C=C2O)S(=O)(=O)[O-].[Na+].[Na+]
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