C60H30Cr2N9Na3O21S3
1482.1 g/mol
Dye & PigmentWarning
C.I. Acid Black 52
CAS5610-64-0EC227-029-3
Category
Dye & Pigment
Compound Class
Organometallic
Primary Use
Dye for nylon and wool
C. I.
Dye for nylon and woolDye for silk and leatherDye for anodized aluminum and aminoplast resins
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
StrongSame Parent
Acid Brown 282
CAS12219-65-7
Acid dye for textiles
ReferenceSame Category
2-(2-Ethylhexyl)-6,7-dimethoxy-1H-benzo[de]isoquinoline-1,3(2H)-dione
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fluorescent solvent dye
ReferenceSame Category
2-methyl-6-nitroaniline
CAS570-24-1
semi-permanent hair dye ingredient
ReferenceSame Category
Trypan red
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Biological stain and dye
ReferenceSame Category
Ultramarine
CAS57455-37-5
blue pigment for paints and coatings
Referencestereoisomer of
Acid Black 194
CAS61931-02-0
Acid dye for textiles
Referencesame scaffold
Acid Blue 161
CAS12392-64-2
acid dye for textiles
Referencesame scaffold
Aluminum 3-hydroxy-4-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonic acid
CAS12227-62-2
Pigment Red 193
Safety Reference
Warning
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for C.I. Acid Black 52 (CAS 5610-64-0) is 2927.00.
HS code (international, 6-digit)
2927.00
EU CN code (8-digit)
2927 00 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
trisodium;bis(chromium(3+));tris(7-nitro-3-oxido-4-[(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate)
InChIKey
OCDKNPOQLLEKKZ-UHFFFAOYSA-E
SMILES
C1=CC=C2C(=C1)C=CC(=C2N=NC3=C4C=CC(=CC4=C(C=C3[O-])S(=O)(=O)[O-])[N+](=O)[O-])[O-].C1=CC=C2C(=C1)C=CC(=C2N=NC3=C4C=CC(=CC4=C(C=C3[O-])S(=O)(=O)[O-])[N+](=O)[O-])[O-].C1=CC=C2C(=C1)C=CC(=C2N=NC3=C4C=CC(=CC4=C(C=C3[O-])S(=O)(=O)[O-])[N+](=O)[O-])[O-].[Na+].[Na+].[Na+].[Cr+3].[Cr+3]
Synonyms (6)
- ACID BLACK 52
- C.I. Acid Black 52
- CHROMOLAN BLACK NWA
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