dye|World dye variety

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

Molecular Structure:

C.I.Leuco Sulphur Brown 52,C.I.53320,Cassulfon Cutch R,Liquid Orange RDB,Liquid Brown 2YFL,Liquid Orange RDCF

CAS Registry Number:

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.

List of Suppliers:

Cassulfon Cutch R( Cassella AG )

Sodyesol Liquid Orange RDB ( Clariant GmbH )

Sodyesul Liquid Brown 2YFL( Sodyeco Division Martin Marietta Chemicals )

Sodyesul Liquid Orange RDCF( Clariant GmbH )