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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

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 structure

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;4,4'-Dichloro-5,5'-dibromo-Δ2,2'-biindoline-3,3'-dione;5,5’-Dibromo-4,4’-dichloro-[2,2’-biindolinylidene]-3,3’-dione;5,5'-Dibromo-4,4'-dichloro-Δ2,2'(3H,3'H)-bi[1H-indole]-3,3'-dione

CBNumber:: CB5902893

Molecular Formula:: C16H6Br2Cl2N2O2

Molecular Weight:: 488.95

MDL Number:: MFCD28975796

MOL File:: 29245-44-1.mol

Request For Quotation

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 Properties

Boiling point	556.3±50.0 °C(Predicted)
Density	2.026±0.06 g/cm3(Predicted)
pka	-6.23±0.20(Predicted)

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,Uses,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

3-bromo-6-(carboxymethylamino)-2-chlorobenzoic acid Indigo

Preparation Products

5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt

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

Global( 6)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21691	55
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28180	58
Beijing Jin Ming Biotechnology Co., Ltd.	010-60605840 15801484223	psaitong@jm-bio.com	China	29834	58
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	17691182729 18161915376	1046@dideu.com	China	10008	58
Henan Alpha Chemical Co., Ltd.	0371-55013243 15324716602	2853979810@qq.com	China	9623	58

Supplier	Advantage
Henan Tianfu Chemical Co.,Ltd.	55
Hubei Jusheng Technology Co.,Ltd.	58
Beijing Jin Ming Biotechnology Co., Ltd.	58
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	58
Henan Alpha Chemical Co., Ltd.	58

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-one)Related 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

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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 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 29245-44-1