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| | Vat Brown 5 Basic information |
| Product Name: | Vat Brown 5 | | Synonyms: | 2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)naphtho[2,1-b]thiophen-1(2H)-one;Vat brown 5 (C.I. 73410);C.I.73410;C.I.Pigment Brown 27;C.I.Vat Brown 5;Calcotone Brown 2R;Lithosol Fast Brown GP;Δ2,2'(1H,1'H)-Binaphtho[2,1-b]thiophene-1,1'-dione | | CAS: | 3989-75-1 | | MF: | C24H12O2S2 | | MW: | 396.48 | | EINECS: | 223-633-6 | | Product Categories: | | | Mol File: | 3989-75-1.mol |  |
| | Vat Brown 5 Chemical Properties |
| | Vat Brown 5 Usage And Synthesis |
| Preparation | Naphtho[2,1-b]thiophen-1(2H)-one oxidation, this intermediates in Chlorobenzene using Phosphorus trichloride or 2-(Naphthalen-2-ylthio)acetic acid closed loop and have to (BIOS986, 260; FIAT 764). | | Properties and Applications | brown to red light brown. Red brown powder. Insoluble in water and Etanol, slightly soluble in Xylene for bordeaux red solution. In concentrated sulfuric acid to dark brown, and then into blue, after dilution for blue; In the basic insurance powder also concentrate for the red light yellow, In the acidic insurance powder also concentrate for light brown. For light brittle dye. Suitable for direct printing, resist printing and aniline black color printing. Suitable for knitting &cotton fabric dyeing, more suitable for silk printing, and can also be used to viscose and wool dyeing. Can be processed into organic pigment.
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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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3
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4
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6-7
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4
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4-5
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4-5
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5
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AATCC
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4
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4-5
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5-6
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5
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4-5
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| | Vat Brown 5 Preparation Products And Raw materials |
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