5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

Product Name: 5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one
CAS No.: 6371-38-6
Chemical Name: 5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one
Synonyms: C.I.73040;Vat Blue 41;C.I.Vat Blue 41;Einecs 228-896-0;C.I.Vat Blue 41:C.I.73040;Δ2,2'-Bi[5,7-dichloroindoline-3-one];5,5',7,7'-Tetrachloro-Δ2,2'(3H,3'H)-bi[1H-indole]-3,3'-dione;5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one;3H-Indol-3-one, 5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-
CBNumber: CB2928946
Molecular Formula: C16H6Cl4N2O2
Formula Weight: 400.04
MOL File: 6371-38-6.mol

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5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one Chemical Properties,Usage,Production

Preparation

(a)3,5-Dichloro-N-(carboxymethyl)anthranilic acid and Acetic anhydride reaction, with Sodium hydroxide product processing, then use air oxidation; (b) in Acetic anhydride and Sodium acetate trihydrate existence, 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- in Acetic acid glacial chloride in four (FIAT 764). Commodity dyes for the three and tetrachloro indigo dye mixture.

Properties and Applications

red light blue. Insoluble in Etanol. In concentrated sulfuric acid to blue light green, dilution after blue precipitation; In the basic insurance powder solution for yellow.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
						Fading	Stain
ISO	5	1	4-5	3-4	3	3-4	4

5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one Preparation Products And Raw materials

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5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one Suppliers

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6371-38-6, 5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-oneRelated Search:

Vat Blue 42 7,7'-Dibromo-5,5'-dichloro-Δ2,2'(3H,3'H)-bi[1H-indole]-3,3'-dione Vat Blue 43 Vat Blue 4 3H-Indol-3-one,5-dromo-2-1,3-dihydro-3-oxo-2H-indol-2-ylidene-1,2-dihydro 3H-Indol-3-one, 5,7-dichloro-2-(4-chloro-1-oxo-2(1H)-naphthalenylidene)-1,2-dihydro-4,6-dimethyl- 5-Chloro-2-(5,7-dichloro-3-oxobenzo[b]thiophen-2(3H)-ylidene)-7-methoxy-4-methyl-1H-indol-3(2H)-one 4-(3-CARBAZOLYLAMINO)PHENOL C.I.Vat Blue 35

5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one

5,5',7,7'-Tetrachloro-Δ2,2'(3H,3'H)-bi[1H-indole]-3,3'-dione

C.I.73040

C.I.Vat Blue 41

Δ2,2'-Bi[5,7-dichloroindoline-3-one]

Einecs 228-896-0

3H-Indol-3-one, 5,7-dichloro-2-(5,7-dichloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-

C.I.Vat Blue 41:C.I.73040

Vat Blue 41

6371-38-6