- Vat Blue 48
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- $2.36 / 1Kg/Bag
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2022-02-25
- CAS:6417-56-7
- Min. Order: 1Kg/Bag
- Purity: 98%
- Supply Ability: 300kgs
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| | Vat Blue 48 Basic information |
| Product Name: | Vat Blue 48 | | Synonyms: | Vat Blue 48;4,4',5,5',7,7'-Hexabromo-Δ2,2'(3H,3'H)-bi[1H-indole]-3,3'-dione;C.I.73075;C.I.Vat Blue 48;Indigo MLB/6B;4,5,7,4',5',7'-hexabromo-1H,1'H-[2,2']biindolylidene-3,3'-dione;4,5,7-Tribromo-2-(4,5,7-tribromo-3-oxo-1,3-dihydro-2H-indol-2-yli dene)-1,2-dihydro-3H-indol-3-one;3H-Indol-3-one, 4,5,7-tribromo-1,2-dihydro-2-(4,5,7-tribromo-1,3-dihydro-3-oxo-2H-indol-2-ylidene)- | | CAS: | 6417-56-7 | | MF: | C16H4Br6N2O2 | | MW: | 735.64 | | EINECS: | | | Product Categories: | | | Mol File: | 6417-56-7.mol |  |
| | Vat Blue 48 Chemical Properties |
| | Vat Blue 48 Usage And Synthesis |
| Preparation | (a) 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- in chlorosulfonic acid bromide, (b) Indigo under pressure to use too much bromide bromide (With or without an inert solvent may be), its product bromide (mainly seven bromide Indigo) using bisulphite processing, remove unstable (mainly “type” bromide) bromide (GP 236902). | | Properties and Applications | blue. Insoluble in Etanol. In concentrated sulfuric acid for blue, dilution after blue precipitation; In the basic insurance powder solution for yellow; In the acidic insurance powder solution for pale yellow. Dye aqueous solution with sodium hydroxide don’t change color.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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ISO
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5
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3
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4
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2
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2-3
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| | Vat Blue 48 Preparation Products And Raw materials |
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