C40H23CrN4Na2O10S2
881.7 g/mol
Dye & PigmentDanger
Acid Blue 161
CAS12392-64-2
Category
Dye & Pigment
Compound Class
Organometallic
Primary Use
acid dye for textiles
Acid Blue 161 is an acid dye based on a copper phthalocyanine structure, valued for its bright blue color and excellent lightfastness, tinting strength, and resistance to alkalis and acids. It is primarily used for dyeing textiles, particularly in acidic dye baths.
dyeing textilescoloring in paints and dyes
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
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Acid Yellow 151
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ReferenceSame Category
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ReferenceSame Category
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isotopically labeled dye reference standard
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ReferenceSame Category
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CAS1266676-01-0
deuterated dye for analytical reference
Safety Reference
Danger
H317May cause an allergic skin reaction
H318Causes serious eye damage
H319Causes serious eye irritation
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Acid Blue 161 (CAS 12392-64-2) 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
disodium;chromium(3+);1-[(2-oxidonaphthalen-1-yl)diazenyl]-4-sulfonaphthalen-2-olate;3-oxido-4-[(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate
InChIKey
LCZPIYCNOWJWPQ-UHFFFAOYSA-I
SMILES
C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C=C(C4=CC=CC=C43)S(=O)(=O)O)[O-])[O-].C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C=C(C4=CC=CC=C43)S(=O)(=O)[O-])[O-])[O-].[Na+].[Na+].[Cr+3]
Synonyms (6)
- Acid Blue 161
- Acid blue 193
- Disazo
- Palatine Fast Blue BN
- acid blue 161, pure
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