ChemicalBook > CAS DataBase List > 5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-one

5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-one

Product Name
5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-one
CAS No.
29245-44-1
Chemical Name
5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-one
Synonyms
C.I.73045;Vat Blue 2;C.I.Vat Blue 2;C.I.Vat Blue 2:C.I.73045;BASF Brilliant Indigo 4G-N;BASF Brilliant Indigo 4G-D;5,5'-Dibromo-4,4'-dichloroindigo;5,5'-Dibromo-4,4'-dichloroindigo;4,4'-Dichloro-5,5'-dibromo-Δ2,2'-biindoline-3,3'-dione;5,5’-Dibromo-4,4’-dichloro-[2,2’-biindolinylidene]-3,3’-dione
CBNumber
CB5902893
Molecular Formula
C16H6Br2Cl2N2O2
Formula Weight
488.95
MOL File
29245-44-1.mol
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5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-one Property

Boiling point:
556.3±50.0 °C(Predicted)
Density 
2.026±0.06 g/cm3(Predicted)
pka
-6.23±0.20(Predicted)
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Hazard and Precautionary Statements (GHS)

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5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-one Chemical Properties,Usage,Production

Preparation

(a) in the Chloroacetic acid or methyl bromide in sulfate Janson 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- (namely VAT dye C.I. 73025) [FIAT 764 and 1313], or in the cold sulfuric acid in?3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- (GP 23496 l); (b) 3-Bromo-6-(carboxymethylamino)-2-chlorobenzoic acid?and Sodium methanolate reaction, product with Potassium hydroxide treatment, and air oxidation (USP 957683). Note: C.I. 73025 chemical structure as above.

Properties and Applications

green light blue. Soluble in Xylene is blue. In concentrated sulfuric acid to green light blue, dilution after blue floc precipitation; In the basic insurance powder solution for yellow brown; In the acidic insurance powder solution for colorless.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4-5 3 3-4 3 2-3

5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-one Preparation Products And Raw materials

Raw materials

Preparation Products

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5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-one Suppliers

China 5 United States 1 Global 6
Hubei Jusheng Technology Co.,Ltd.
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18871490254
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027-59599243
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linda@hubeijusheng.com
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Beijing Jin Ming Biotechnology Co., Ltd.
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010-60605840 15801484223;
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psaitong@jm-bio.com
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Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
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17691182729 18161915376
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Henan Alpha Chemical Co., Ltd.
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0371-55013243 15324716602
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2853979810@qq.com
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Henan Tianfu Chemical Co.,Ltd.
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+86-0371-55170693 +86-19937530512
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info@tianfuchem.com
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29245-44-1, 5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-oneRelated Search:

6,15-Dihydro-8,17-dihydroxyanthrazine-5,9,14,18-tetrone 17,18-dihydrodinaphtho[1',2',3':3,4;3'',2'',1'':9,10]perylo[1,12-efg][1,4]dioxocin-5,10-dione N-[5,8,13,14-tetrahydro-5,8,14-trioxo-11-(trifluoromethyl)naphth[2,3-c]acridin-6-yl]benzamide Vat Blue 14 VAT BLUE 12 C.I. Vat Blue 15 Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, chloro derivs. Vat Blue 19 DIBENZANTHRONE

  • 5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-3H-indol-3-one
  • 4,4'-Dichloro-5,5'-dibromo-Δ2,2'-biindoline-3,3'-dione
  • 5,5'-Dibromo-4,4'-dichloro-Δ2,2'(3H,3'H)-bi[1H-indole]-3,3'-dione
  • BASF Brilliant Indigo 4G-D
  • BASF Brilliant Indigo 4G-N
  • C.I.73045
  • C.I.Vat Blue 2
  • 5-bromo-2-(5-bromo-4-chloro-3-oxo-1H-indol-2-ylidene)-4-chloro-1H-indol-3-one
  • Vat Blue 2
  • C.I.Vat Blue 2:C.I.73045
  • 5,5'-Dibromo-4,4'-dichloroindigo
  • 3H-Indol-3-one, 5-bromo-2-(5-bromo-4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-4-chloro-1,2-dihydro-
  • 5,5’-Dibromo-4,4’-dichloro-[2,2’-biindolinylidene]-3,3’-dione
  • 5,5'-Dibromo-4,4'-dichloroindigo
  • 29245-44-1