【 WhatsApp】
+86-21-6420 0566
8618501763615
| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| 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 |
| Boiling point | 675.58°C (rough estimate) |
| density | 1.2856 (rough estimate) |
| refractive index | 1.4670 (estimate) |
| pka | 11.33±0.20(Predicted) |
| LogP | 8.52 |
| CAS DataBase Reference | 2475-33-4(CAS DataBase Reference) |
| EPA Substance Registry System | C.I. Vat Brown 1 (2475-33-4) |
| 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. | |||||||||||||||||||||||||
| Fine, dark brown to black crystalline powder with a slight odor. | ||||||||||||||||||||||||||
| Air & Water Reactions | Insoluble in water. | |||||||||||||||||||||||||
| 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. | |||||||||||||||||||||||||
| 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 . | |||||||||||||||||||||||||
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.
| ||||||||||||||||||||||||||
| Raw materials | Aluminum chloride-->Copper(I) chloride-->Sodium hypochlorite-->1,4-Diamino anthraquinone-->1-Chloro anthraquinone-->1-Chloro anthraquinone-->1-BROMOANTHRAQUINONE-->Pyridine |
| Preparation Products | Vat Brown 1, Solubilised |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
Ready to Start?
For help with solutions customized to your business needs, contact Export Director now.
With 30+ years of experience and We firmly believe that product quality is the basis of cooperation.
Chat Now
Phone
8618501763615
Working hours
Monday to Friday
TEl
+86-21-6420 0566
