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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Hazard and Precautionary Statements (GHS)

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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

Raw materials

Preparation Products

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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