Sulphur Brown 52
Name:C.I.Sulphur Brown 52,C.I.53320
Molecular Structure:
CAS Registry Number:1327-18-0
Manufacturing Methods : 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 |
List of Suppliers:
Asashio Orange Brown 5R( Kaseihin Kogyo Kyokai )
Hydrosol Catechu RL ( Standard Dyes )
Immedial Fast Cutch 4RL ( Cassella Farbwerke Mainkur AG )
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