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Sulphur Brown 52

Name:C.I.Sulphur Brown 52,C.I.53320

Molecular Structure:

C.I.Sulphur Brown 52,C.I.53320,CAS 1327-18-0,Orange Brown 5R,Hydrosol Catechu RL,Immedial Fast Cutch 4RL

C.I.Sulphur Brown 52,C.I.53320,CAS 1327-18-0,Orange Brown 5R,Hydrosol Catechu RL,Immedial Fast Cutch 4RL

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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