C10H9NO9S3
383.4 g/mol
Dye & PigmentDanger
1,3,6-NAPHTHALENETRISULFONIC ACID, 7-AMINO-
CAS118-03-6EC204-229-9
Category
Dye & Pigment
Compound Class
Amine
Primary Use
dye intermediate
This compound is a naphthalene sulfonic acid derivative primarily used as a dye intermediate in the manufacturing of various colorants.
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.
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Related Compounds
SimilarStructure SimilarSimilarity 0.76
2,7-Naphthalenedisulfonic acid, 3-amino-5-hydroxy-
CAS90-40-4
dye intermediate
ReferenceSame Category
2-naphthol-6,8-disulfonic acid
CAS118-32-1
Dye intermediate for azo dyes
ReferenceSame Category
1-(4'-Sulfophenyl)-3-carboxy-5-pyrazolone
CAS118-47-8
pyrazolone dye intermediate
ReferenceSame Category
5-amino-2-methylbenzenesulfonic acid
CAS118-88-7
dye intermediate for food coloring
ReferenceSame Category
3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
CAS119-17-5
Dye and pigment intermediate
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319Causes serious eye irritation
H351Suspected of causing cancer
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 1,3,6-NAPHTHALENETRISULFONIC ACID, 7-AMINO- (CAS 118-03-6) is 2921.45.
HS code (international, 6-digit)
2921.45
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
7-aminonaphthalene-1,3,6-trisulfonic acid
InChIKey
GFPQSWFFPRQEHH-UHFFFAOYSA-N
SMILES
C1=C2C=C(C(=CC2=C(C=C1S(=O)(=O)O)S(=O)(=O)O)N)S(=O)(=O)O
Synonyms (17)
- Kyselina kochova
- Kyselina kochova [Czech]
Sourcing 1,3,6-NAPHTHALENETRISULFONIC ACID, 7-AMINO-?
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