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

6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one Suppliers list
Company Name: Hubei Jusheng Technology Co.,Ltd.
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Products Intro: Product Name:(2Z)-6-ethoxy-2-(6-ethoxy-3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one
CAS:3263-31-8
Purity:0.99 Package:5KG;1KG Remarks:C20H16O4S2
Company Name: Shaanxi Didu New Materials Co. Ltd
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Products Intro: Product Name:Vat orange 5;3263-31-8
CAS:3263-31-8
Purity:0.99 Package:25KG,200L
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Products Intro: Product Name:Vat orange 5
CAS:3263-31-8
Purity:99% Package:1 kg,5 kg, 10 kg,25kg and 1 MT
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Products Intro: Product Name:Vat orange 5
CAS:3263-31-8
Purity:98% Package:1 kg,5 kg, 10 kg,25kg and 1 MT
Company Name: Akik Dye Chem  
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Products Intro: Product Name:Vat orange 5
CAS:3263-31-8
Purity:98% Package:1 kg,5 kg, 10 kg,25kg and 1 MT
6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one Basic information
Product Name:6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one
Synonyms: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
CAS:3263-31-8
MF:C20H16O4S2
MW:384.47
EINECS:221-869-4
Product Categories:
Mol File:3263-31-8.mol
6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one Structure
6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one Chemical Properties
Boiling point 481.14°C (rough estimate)
density 1.3078 (rough estimate)
refractive index 1.4360 (estimate)
EPA Substance Registry SystemBenzo[b]thiophen-3(2H)-one, 6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)- (3263-31-8)
Safety Information
MSDS Information
6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one Usage And Synthesis
Preparation6-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 Applicationsred 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 materials6-ethoxybenzo[b]thiophen-3(2H)-one
Preparation ProductsVat Red 26-->Solubilised Vat Orange 5
Tag:6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one(3263-31-8) Related Product Information
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