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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

Basic information Safety Supplier Related

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

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
Synonyms:
  • 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
CAS:
6371-38-6
MF:
C16H6Cl4N2O2
MW:
400.04
EINECS:
228-896-0
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 Usage And Synthesis

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-oneSupplier

Hubei Jusheng Technology Co.,Ltd.
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