Acid Red 211
Name:C.I.Acid Red 211
Molecular Structure: Single azo,1:2 Metal Complexes
C.I.Acid Red 211,CAS 12239-05-3,407.83,C16H14ClN5O4S,Irgalan Red 2GL,Lanyl Red GG,Neutral red 2GL,Acid Complex red 2GL,Neutral red 2GL
Molecular Formula:C16H14ClN5O4S
Molecular Weight: 407.83
CAS Registry Number:12239-05-3
Manufacturing Methods : 2-Amino-4-chlorophenol diazo, and 3-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonamide coupling and chromium complexation, transformed into 1:2 chromium complex.
Properties and Applications: red. Dark red powder. Soluble in water. Used for wool, silk, polyamide fiber dyeing and printing, also used in leather dyeing.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 4-5 | 5 | 4-5 | 4 | 4-5 | 4-5 | 5 |
List of Suppliers:
Acid Complex red 2GL,Neutral red 2GL
Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.
Irgalan Red 2GL( Ciba Specialty Chemicals Inc )
Lanyl Red GG( Sumitomo Chemical Co. Ltd )