Acid Yellow 128
Name:C.I.Acid Yellow 128,C.I.13906
Molecular Structure: Single azo,1:2 Cobalt complexes
C.I.Acid Yellow 128,C.I.13906,CAS 51053-43-1,376.39,C16H16N4O5S,Acid Yellow 2GL,Neutral Yellow GL,Neutral Yellow NGL,Neutral Yellow PA-GL
Molecular Formula:C16H16N4O5S
Molecular Weight: 376.39
CAS Registry Number:51053-43-1
Manufacturing Methods : 3-Amino-4-hydroxybenzenesulfonamide diazo, and 3-Oxo-N-phenylbutanamide coupling, and then use cobalt chloride complex.
Properties and Applications: green light yellow. Tan evenly all powder, soluble in water. The strong sulfuric acid for yellow, diluted light yellow solution; In nitric acid was damaged in, a small residual yellow; In strong hydrochloric acid in the same light, diluted light yellow; In the thick of sodium hydroxide solution for yellow, diluted light yellow. Its water solution for light yellow. Structure and the C.I.Acid Yellow 151 the same. Used for wool, silk, polyamide, d theory and
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 7 | 4-5 | 4-5 | 4-5 | 4-5 | 4 | 5 | 5 |
List of Suppliers:
Acid Yellow 2GL,Neutral Yellow GL,Neutral Yellow NGL,Neutral Yellow PA-GL
Qingdao Double Peach Specialty Chemicals (Group) Co., Ltd.,
Shangyu Guangming Chemical Co.,Ltd.
Lerui Acid Yellow GLG ( Rosi Chemical Co Ltd )
Phoebe Yellow M-GL 200%( Anhui Fengyang Dyestuffs and Chemicals Co. Ltd. )