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6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one

Product Name
6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one
CAS No.
3263-31-8
Chemical Name
6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one
Synonyms
BLUE 04B;Vat Orange R;C.I.VATORANGE5;Vat Orange 5;Algol Orange RF;Antinolo Orange R;Amanthrene Orange R;Vat orange 5 (C.I. 73335);C.I.Vat Orange 5:C.I.73335;Pigment organic indigo blue production thioindigo
CBNumber
CB8918930
Molecular Formula
C20H16O4S2
Formula Weight
384.47
MOL File
3263-31-8.mol
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6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one Property

Boiling point:
481.14°C (rough estimate)
Density 
1.3078 (rough estimate)
refractive index 
1.4360 (estimate)
EPA Substance Registry System
Benzo[b]thiophen-3(2H)-one, 6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)- (3263-31-8)
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Hazard and Precautionary Statements (GHS)

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6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one Chemical Properties,Usage,Production

Preparation

6-Ethoxybenzo[b]thiophen-3(2H)-one oxidation, the raw material or by carboxy amide route (FIAT 764-PB5626) or by Herz chlorinated sulfur method (FIAT 764-PB25626) preparation.

Properties and Applications

red light orange. Orange red powder. Insoluble in organic solvents.??reduction of basic leuco yellow; acid reduction as a pale yellow leuco. The concentrated sulfuric acid for the brilliant blue purple, diluted with pale red orange precipitate. More sensitive to hard water. The more serious light brittle dye. Mainly for the winter dark serge printing dyeing printing, set off each other extremely bright. Also used for dyeing silk and nylon.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4 4 4-5 4 4 4 4-5
AATCC 5 4-5 4 4 3

6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one Preparation Products And Raw materials

Raw materials

Preparation Products

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6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one Suppliers

China 6 India 6 Global 12

3263-31-8, 6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-oneRelated Search:

Vat Red 10 Vat Orange 4 C.I. Vat Red 12 Vat Red 15 Vat Red 14 ORALITH BRILLIANT PINK R Vat Orange 9 Vat Orange 7 Pigment Red 195 Indigo

  • 6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one
  • Vat Orange 5
  • C.I.VATORANGE5
  • 6-ETHOXY-2-(6-ETHOXY-3-OXOBENZO(B)THIEN-2-YLIDENE)BENZO(B)THIOPHENE-3-ONE
  • Vat orange 5 (C.I. 73335)
  • Pigment organic indigo blue production thioindigo
  • Algol Orange RF
  • Amanthrene Orange R
  • Antinolo Orange R
  • Vat Orange R
  • Benzo[b]thiophen-3(2H)-one, 6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)-
  • C.I.Vat Orange 5:C.I.73335
  • BLUE 04B
  • 3263-31-8