6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one CAS#: 6492-68-8

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

Basic information Safety Supplier Related

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

Product Name:

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

Synonyms:

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

CAS:

6492-68-8

MF:

C16H6Cl2O2S2

MW:

365.25

EINECS:

229-369-8

Mol File:

6492-68-8.mol

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

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

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

Dynasty Colourants Co., Ltd.

Tel: 86 0574 27862107 27862719
Email: info@dynasty-color.com

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