| Identification | Back Directory | [Name]
6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one | [CAS]
6492-68-8 | [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)- | [EINECS(EC#)]
229-369-8 | [Molecular Formula]
C16H6Cl2O2S2 | [MOL File]
6492-68-8.mol | [Molecular Weight]
365.25 |
| Hazard Information | Back Directory | [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 nitrobenzene2-(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
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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|
ISO
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4
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4
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5-6
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5
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3-4
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4-5
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5
|
|
|
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