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Sulphur Brown 19

Name:C.I.Sulphur Brown 19,C.I.53115

Molecular Structure:

C.I.Sulphur Brown 19,C.I.53115,CAS 1326-65-4,Immedial Yellow F4R

C.I.Sulphur Brown 19,C.I.53115,CAS 1326-65-4,Immedial Yellow F4R

CAS Registry Number:1326-65-4

Manufacturing Methods : The 85.8 parts of 4-Methylbenzene-1,3-diamine , 42 parts of 4-(4-Aminophenyl)benzenamine, 36 parts of  M-nitroaniline and 600 parts of  mixture of sulfur in the 220 ~ 240 ℃ calcination 9 hours, in Sodium sulfide solution treatment its product, and acid precipitation (BIOS 1155,37). With 4-Aminophenol instead of M-nitroaniline get similar dye.

Properties and Applications: yellow brown. In the Sodium sulfide solution solubility is very good, for red orange; In concentrated sulfuric acid to light brown, diluted the same color.

Standard Acid Resistance Alkali Resistance Light Fastness Fulling Persperation Fastness Soaping
Moderate Severe
ISO 3-4 3-4 3-4 4 4 3

List of Suppliers:

Immedial Yellow F4R extra( Cassella Farbwerke Mainkur AG )


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