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Home/Compounds/Dye & Pigment/Thioindigo
C16H8O2S2
296.4 g/mol
Dye & Pigment

Thioindigo

CAS522-75-8EC208-336-1
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
Vat dye for textiles

Thioindigo is a vat dye primarily used for coloring textiles. It is a sulfur-containing heterocyclic compound with a deep red color, known for its application in dyeing cellulosic fibers.

Vat dye for textile coloring

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

Vat Black 16

CAS1328-19-4

Vat dye for textiles

ApplicationSame Use

Vat Green 3

CAS1328-45-6

Vat dye for textiles

ApplicationSame Use

5,5',7,7'-tetrabromoindigo

CAS2475-31-2

Vat dye for textiles

ApplicationSame Use

Vat Green 3

CAS3271-76-9

Vat dye for textiles

ReferenceSame Category

6-Hydroxyethylsulfonyl-2-naphthalamine

CAS52218-35-6

Dye intermediate

ReferenceSame Category

Solvent Red 196

CAS52372-36-8

Solvent dye for plastics

ReferenceSame Category

Solvent Red 197

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Fluorescent solvent dye

ReferenceSame Category

Acid red 186

CAS52677-44-8

Acid dye for textiles

Identifiers
IUPAC Name

(2Z)-2-(3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one

InChIKey

JOUDBUYBGJYFFP-NXVVXOECSA-N

SMILES

C1=CC=C2C(=C1)C(=O)/C(=C/3\C(=O)C4=CC=CC=C4S3)/S2

Synonyms (29)
  • Durindone Red BP
  • 4,4'-Diisothioindigo
  • Antinolo Red B
  • C.I. Vat Red 41
  • CI DISPERSE RED 364
  • CI SOLVENT RED 242
  • Ciba Pink B
  • Disperse Red 364
  • Durindone Printing Red B
  • Durindone Red B
  • Heliane Red 5B
  • Helindon Red BB
  • Isothioindigo
  • Solvent Red 242
  • Tetra Pink B
  • Thioindigo
  • Thioindigo Red B
  • Thioindigo Red S
  • Tina Pink B
  • Tyrian Red A-5B
  • Vat Red 41
  • Vat Red 5B
  • cis-thioindigo