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
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 )