Leuco Sulphur Brown 52
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
- MW:
- 0
- Mol File:
- Mol File
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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 | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
| Moderate | Severe | ||||||
| ISO | 4-5 | 4-5 | 5-6 | 4 | 4-5 | 4 | 3 |
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Leuco Sulphur Brown 52()Related Product Information
- Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur, leuco derivs.
- Leuco Sulphur Brown 5
- Leuco Sulphur Brown 8
- Leuco Sulphur Brown 46
- Leuco Sulphur Brown 23
- Leuco Sulphur Brown 4
- Leuco Sulphur Brown 51
- Leuco Sulphur Brown 21
- 2-Naphthalenol, sulfurized, leuco deriv.