2,7-Naphthalenedisulfonic acid, 4-amino- is a chemical compound used as an intermediate in the production of dyes. It serves as a precursor in the synthesis of certain azo dyes.
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Sourcing 2,7-Naphthalenedisulfonic acid, 4-amino-?
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4-Hydroxy-6-methylamino-2-naphthalene sulfonic acid
Naphthalene sulfonic acid dye intermediate
2-naphthol-3,6,8-trisulfonic acid
Dye intermediate
2-Amino-4-methyl-6-nitrophenol
intermediate for dye and pigment synthesis
N,N-Dimethyl-1,4-phenylenediamine oxalate
Photographic color developer intermediate
The international HS code for 2,7-Naphthalenedisulfonic acid, 4-amino- (CAS 6251-07-6) is 2921.45.
2921.45
2921 45 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
4-aminonaphthalene-2,7-disulfonic acid
NDYYJXGERWTRSD-UHFFFAOYSA-N
C1=CC2=C(C=C(C=C2C=C1S(=O)(=O)O)S(=O)(=O)O)N
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Sourcing 2,7-Naphthalenedisulfonic acid, 4-amino-?
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