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| | Vat Brown 25 Basic information |
| Product Name: | Vat Brown 25 | | Synonyms: | Vat Brown 25;C.I.69020;Indanthrene Red Brown 5RF;N,N'-(10,15,16,17-tetrahydro-1-methoxy-5,10,15,17-tetraoxo-5H-dinaphtho[2,3-a:2',3'-i]carbazole-4,9-diyl)bis(benzamide);Benzamide, N,N-(10,15,16,17-tetrahydro-1-methoxy-5,10,15,17-tetraoxo-5H-dinaphtho2,3-a:2,3-icarbazole-4,9-diyl)bis-;Vat brown 25 (C.I. 69020);C.I.Vat Brown 25;Ostanthren Brown 5RF | | CAS: | 6247-46-7 | | MF: | C43H25N3O7 | | MW: | 695.67 | | EINECS: | 228-367-4 | | Product Categories: | | | Mol File: | 6247-46-7.mol |  |
| | Vat Brown 25 Chemical Properties |
| Boiling point | 700.85°C (rough estimate) | | density | 1.2637 (rough estimate) | | refractive index | 1.7790 (estimate) | | pka | 11.22±0.20(Predicted) |
| | Vat Brown 25 Usage And Synthesis |
| Preparation | N-(4-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide and N-(5-chloro-4-methoxy-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide?condensation, cyclization and then. | | Properties and Applications | red light brown. Purple red powder. Insoluble in water. In concentrated sulfuric acid for purple solution, after dilution to red. Alkaline reduction leuco for red brown; Acid reduction leuco for brown. Used for cotton suspension pad dyeing, good levelness. Generally used in jig dyeing color matching, but also can be used for polyester/cotton, Fiber/cotton blended fabric, silk and viscose dyeing.
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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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5
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7
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5
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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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7-8
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5
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5
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| | Vat Brown 25 Preparation Products And Raw materials |
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