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| Leuco Sulphur Brown 52 Basic information |
Product Name: | Leuco Sulphur Brown 52 | Synonyms: | Leuco Sulphur Brown 52;C.I.Leuco Sulphur Brown 52:C.I.53320 | CAS: | | MF: | | MW: | 0 | EINECS: | | Product Categories: | | Mol File: | Mol File | |
| Leuco Sulphur Brown 52 Chemical Properties |
| Leuco Sulphur Brown 52 Usage And Synthesis |
Preparation | Diacenaphtho[1,2-j:1′,2′-1]fluoranthene? and sulfur mixture for roasting (in 20 hours of roasting temperature up to 350 ℃, and keep the temperature for more than 8 hour), the product with Sodium hydroxide in 100 ~ 110 ℃ processing, then filtering, and taking sulfuric acid precipitation. Note: the Diacenaphtho[1,2-j:1′,2′-1]fluoranthene?and nitrocellulose derivatives (namely C.I. Sulphur Brown 60, C.I. 53325 and?C.I. Sulphur Brown 51, C.I. 53327) the dye it has excellent resistance to sun fastness. | Properties and Applications | brown. Brown powder. Soluble in Sodium sulfide solution. In the basic insurance powder solution for red brown; In Sodium hypochlorite solution is partly by the bleaching. Used for cotton, hemp, viscose fabric dyeing.
Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Moderate
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Severe
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ISO
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4-5
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4-5
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5-6
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4
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4-5
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4
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3
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| Leuco Sulphur Brown 52 Preparation Products And Raw materials |
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