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Home/Compounds/Dye & Pigment/5,5',7,7'-tetrabromoindigo
C16H6Br4N2O2
577.8 g/mol
Dye & Pigment

Vat Blue 4B

CAS2475-31-2EC219-598-1
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
Vat dye for textiles

Vat Blue 4B is a synthetic vat dye primarily used for coloring textiles, especially cotton and cellulose fibers. It is a brominated indole derivative with a complex fused-ring structure that imparts high wash and light fastness.

Vat dyeing of 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

ApplicationSame Use

Thioindigo

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Vat dye for textiles

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Vat dye for textiles

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Vat Green 3

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Vat dye for textiles

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Organic pigment for paints and inks

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Dye intermediate

Identifiers
IUPAC Name

5,7-dibromo-2-(5,7-dibromo-3-hydroxy-1H-indol-2-yl)indol-3-one

InChIKey

ZLHGTHCCYUEAIK-UHFFFAOYSA-N

SMILES

C1=C(C=C(C2=C1C(=C(N2)C3=NC4=C(C3=O)C=C(C=C4Br)Br)O)Br)Br

Synonyms (57)
  • 5,5',7,7'-Tetrabromoindigo
  • 5,7,7'-Tetrabromoindigo
  • 5.5'.7.7'-Tetrabromindigo
  • Ahcovat Printing Blue 2BD
  • Amanthrene Navy Blue 2B-MF
  • Amanthrene Navy Blue new
  • Arlanone Blue 2B
  • BASF Brilliant Indigo 4B
  • BASF Brilliant Indigo 4BC
  • Brilliant Indigo 4B
  • Brilliant Indigo 4BJD
  • Brilliant Indigo 4BR
  • Brilliant Indigo 4BV
  • Bromindigo
  • Bromindigo 2BD
  • C.I.Vat Blue 5 (C.I.73065)
  • CI SOLUBILISED VAT BLUE 5
  • CI VAT BLUE 5
  • Ciba Blue 2B
  • Ciba Blue 2BD
  • Ciba Blue 2BDG
  • Ciba Blue 2BN
  • Ciba Blue 2BPF
  • Ciba Brilliant Blue BS
  • Durindone Blue 4B
  • Durindone Blue 4BC
  • Durindone Blue 4BCP
  • Durindone Printing Blue 4BC
  • Hostavat Blue 2BD
  • Hostavat Blue 4BR
  • Indigo 4B
  • Mitsui tsuya indigo 2B
  • Solindene Blue 2BD
  • Sulfanthrene Blue 2B
  • Tetra Blue 2B
  • Tetrabromoindigo
  • Thiovat Brilliant Indigo 4BR
  • Tina Blue 2B
  • Tsuya indigo 2B
  • Vat Blue 4B
  • Vat Blue 5
  • ciba blue 2b, AldrichCPR

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