C34H25K2N11O11S3
938 g/mol
Dye & PigmentDanger
C.I. Acid Black 210
CAS99576-15-5EC913-618-9
Category
Dye & Pigment
Compound Class
Amine
Primary Use
Azo dye for protein staining
C. I.
Total protein staining on western blot membranesDetection of blood in latent fingerprints for forensic analysis
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 0.82
Acid Black 234
CAS157577-99-6
acid dye for textiles
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Intermediate for dyes and pigments
ReferenceSame Category
2-amino-4-nitrophenol
CAS99-57-0
Intermediate for mordant and acid dyes
ReferenceSame Category
4-nitro-o-phenylenediamine
CAS99-56-9
Hair dye intermediate
Safety Reference
Danger
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for C.I. Acid Black 210 (CAS 99576-15-5) is 3204.12.
HS code (international, 6-digit)
3204.12
EU CN code (8-digit)
3204 12 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
dipotassium;5-amino-3-[[4-[[4-[(2,4-diaminophenyl)diazenyl]phenyl]sulfamoyl]phenyl]diazenyl]-4-hydroxy-6-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate
InChIKey
ZEEMBOPWDPAXAI-UHFFFAOYSA-L
SMILES
C1=CC(=CC=C1NS(=O)(=O)C2=CC=C(C=C2)N=NC3=C(C4=C(C(=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC5=CC=C(C=C5)[N+](=O)[O-])N)O)N=NC6=C(C=C(C=C6)N)N.[K+].[K+]
Synonyms (7)
- Acid Black 210
- C.I. Acid Black 210
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