C10H9NO6S2
303.3 g/mol
Dye & PigmentDanger
2-Amino-1,5-naphthalenedisulfonic acid
CAS117-62-4EC204-201-6
Category
Dye & Pigment
Compound Class
Organic Acid
Primary Use
Dye intermediate
2-Amino-1,5-naphthalenedisulfonic acid is an organic compound used primarily as a dye intermediate in the production of various colorants and pigments.
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
ReferenceSame Category
4,4'-[(4-{Bis[(²H₃)methyl]amino}phenyl)methylene]bis(N,N-dimethylaniline)
CAS1173023-92-1
Leuco form of crystal violet dye (deuterated internal standard)
ReferenceSame Category
7-Amino-1,3,6-naphthalenetrisulfonic acid
CAS118-03-6
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
Referencestereoisomer of
Sodium 2-amino-5-sulfonaphthalene-1-sulfonate
CAS19532-03-7
dye intermediate
Safety Reference
Danger
H318Causes serious eye damage
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 2-Amino-1,5-naphthalenedisulfonic acid (CAS 117-62-4) 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
2-aminonaphthalene-1,5-disulfonic acid
InChIKey
YAIKCRUPEVOINQ-UHFFFAOYSA-N
SMILES
C1=CC2=C(C=CC(=C2S(=O)(=O)O)N)C(=C1)S(=O)(=O)O
Synonyms (15)
- Kyselina sulfo-tobiaova
- Kyselina sulfo-tobiasova
- SULFOTOBIAS ACID
- Tobias acid, 5-sulfo-
Sourcing 2-Amino-1,5-naphthalenedisulfonic acid?
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