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

CAS No.
6492-68-8
Chemical Name:
6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one
Synonyms
C.I.73305;Vat Red 47;Vat red 47 (C.I. 73305);C.I.Vat Red 47:C.I.73305;6,6'-Dichloro-Δ2,2'(3H,3'H)-bi[benzo[b]thiophene]-3,3'-dione;(2Z)-6-chloro-2-(6-chloro-3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one;6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one;Benzo[b]thiophen-3(2H)-one, 6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)-
CBNumber:
CB6935643
Molecular Formula:
C16H6Cl2O2S2
Molecular Weight:
365.25
MDL Number:
MOL File:
6492-68-8.mol
Last updated:2023-06-02 08:28:43

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

Preparation

(a)chloride in nitrobenzene cold C.I. Vat Red 41?(C.I. 73300), and heating the resulting intermediate product; (b) will be in boiling nitrobenzene?2-(3-Chlorophenylthio)acetic acid loop and oxidation (BP 6490/07, US 848354).

Properties and Applications

blue light pink to blue light red. Rosy purple paste content. Insoluble in water, soluble in Xylene to red, yellow fluorescence. In concentrated sulfuric acid for green, dilution after red flocks; In concentrated nitric acid to blue light red. Alkaline reduction leuco for yellow; Acid reduction leuco for pale yellow. Mainly used for cotton, wool, silk dyeing and printing.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4 4 5-6 5 3-4 4-5 5

2234-16-4
6492-68-8
Synthesis of 6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one from 2',4'-Dichloroacetophenone

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

Raw materials

Preparation Products

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

Global( 1)Suppliers
Supplier Tel Email Country ProdList Advantage
Dynasty Colourants Co., Ltd. -- info@dynasty-color.com China 3306 51
Supplier Advantage
Dynasty Colourants Co., Ltd. 51
6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one Vat Red 47 Vat red 47 (C.I. 73305) 6,6'-Dichloro-Δ2,2'(3H,3'H)-bi[benzo[b]thiophene]-3,3'-dione C.I.73305 (2Z)-6-chloro-2-(6-chloro-3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one Benzo[b]thiophen-3(2H)-one, 6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)- C.I.Vat Red 47:C.I.73305 6492-68-8 C16H6Cl2O2S2