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| Vat Brown 1 Basic information |
Product Name: | Vat Brown 1 | Synonyms: | 16,23-dihydronaphth[2',3':6,7]indolo[2,3-c]dinaphtho[2,3-a:2'3'-i]carbazole-5,10,15,17,22,24-hexone;Naphth2,3:6,7indolo2,3-cdinaphtho2,3-a:2,3-icarbazole-5,10,15,17,22,24-hexone, 16,23-dihydro-;C.I.VATBROWN1;Vat brown 1 (C.I. 70800);Anthramar Brown BR;Cibanone Brown BR;Dycosthren Brown BR;Mikethrene Brown BR | CAS: | 2475-33-4 | MF: | C42H18N2O6 | MW: | 646.6 | EINECS: | 219-599-7 | Product Categories: | Organics | Mol File: | 2475-33-4.mol | ![Vat Brown 1 Structure](CAS/GIF/2475-33-4.gif) |
| Vat Brown 1 Chemical Properties |
| Vat Brown 1 Usage And Synthesis |
Preparation | 1,4-Diaminoanthraquinone and 1-Bromoanthracene-9,10-dione or 1-Bromoanthracene-9,10-dione (2 Moore) condensation, its product in Pyridine with Aluminium chloride heating. | General Description | Fine, dark brown to black crystalline powder with a slight odor. | Air & Water Reactions | Insoluble in water. | Reactivity Profile | Oxidizing agents and reducing agents may destroy Vat Brown 1's color. . | Health Hazard | ACUTE/CHRONIC HAZARDS: When heated to decomposition Vat Brown 1 may emit toxic fumes of carbon oxides and nitrogen oxides. | Fire Hazard | Flash point data for Vat Brown 1 are not available; however, Vat Brown 1 is probably combustible. Dust clouds may form explosive mixtures with air. | Synthesis | 1,1' : 4,1''-Trianthrimide-2,2' : 3,2''-
carbazole, (Indanthren Brown BR,
is prepared from 1,1' : 4,1''-
trianthrimide in AlCl3 – pyridine . | Properties and Applications | red light brown. Dark brown powder. Slightly soluble in hot 1, 2, 3, 4 – Tetrahydronaphthalene and thermal Xylene, insoluble in cold Xylene. In concentrated sulfuric acid to Copenhagen green, dilution after brown precipitation. Alkaline reduction leuco for yellow brown; Acid reduction leuco for dark olive. Mainly used for cotton, hemp, silk and viscose dyeing and printing, cotton yarn dyeing common varieties. Used for polyester/cotton blended fabric two bath dyeing of polyester with little color. The leuco used for dyeing cotton knitwear.
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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4-5
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7
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4-5
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4-5
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5
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5
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AATCC
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5
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5
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8
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4-5
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4-5
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| Vat Brown 1 Preparation Products And Raw materials |
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