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Home/Compounds/Dye & Pigment/Acid red 186
C20H12CrN4NaO8S2
575.5 g/mol
Dye & Pigment

Acid Red 186

CAS52677-44-8EC258-095-1
Category
Dye & Pigment
Compound Class
Organometallic
Primary Use
Acid dye for textiles

Acid Red 186 is a chromium complex azo dye used primarily for coloring textiles. It is supplied as a sodium salt and features multiple sulfonate groups that confer water solubility and affinity for protein fibers.

acid dye for textiles

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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2-(3-hydroxypropyl)-6-((3-hydroxypropyl)amino)-1H- benz(de)isoquinoline-1,3(2H)-dione

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Fluorescent solvent dye

Identifiers
IUPAC Name

sodium;chromium(3+);4-[[3-methyl-5-oxido-1-(3-sulfonatophenyl)pyrazol-4-yl]diazenyl]-3-oxidonaphthalene-1-sulfonate

InChIKey

SUGQROYVAPRJDX-UHFFFAOYSA-J

SMILES

CC1=NN(C(=C1N=NC2=C(C=C(C3=CC=CC=C32)S(=O)(=O)[O-])[O-])[O-])C4=CC(=CC=C4)S(=O)(=O)[O-].[Na+].[Cr+3]

Synonyms (11)
  • ACID PINK BN
  • ACID PINK M
  • ACID RED PBE
  • Acid Red 186
  • C.I. ACID RED 186
  • FAST PINK BNI