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
- Molecular Weight:
- 488.95
- MDL Number:
- MFCD28975796
- MOL File:
- 29245-44-1.mol
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
Preparation Products
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21676 | 55 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28180 | 58 |
Beijing Jin Ming Biotechnology Co., Ltd. | 010-60605840 | psaitong@jm-bio.com | China | 29778 | 58 |
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd | 17691182729 18161915376 | 1046@dideu.com | China | 10011 | 58 |
Henan Alpha Chemical Co., Ltd. | 0371-55013243 15324716602 | 2853979810@qq.com | China | 10015 | 58 |