1,5-Naphthalenedisulfonic acid, 2-amino-, monosodium salt is a dye intermediate used in the production of dyes and pigments. It is a sulfonated aromatic amine compound supplied as a sodium salt.
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.
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4-Amino-N-(3-(2-hydroxyethyl)sulfonylphenyl)benzamide
dye intermediate for reactive dyes
Remazole orange-3R
reactive dye for textiles
Patent blue v sodium
food dye and histological stain
Reactive Yellow 17
Reactive dye for textile coloration
2-amino-1,5-naphthalenedisulfonic acid
Dye intermediate
The international HS code for 1,5-Naphthalenedisulfonic acid, 2-amino-, monosodium salt (CAS 19532-03-7) 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.
sodium 2-amino-5-sulfonaphthalene-1-sulfonate
NBXIPKKZZYZDKR-UHFFFAOYSA-M
C1=CC2=C(C=CC(=C2S(=O)(=O)[O-])N)C(=C1)S(=O)(=O)O.[Na+]
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Sourcing 1,5-Naphthalenedisulfonic acid, 2-amino-, monosodium salt?
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