Acid Yellow 121
Name:C.I.Acid Yellow 121,C.I.18690
Molecular Structure: Single azo,Metal Complexes
C.I.Acid Yellow 121,C.I.18690,CAS 5601-29-6,344.3,C17H13N4NaO3,Acid Yellow 2GL
Molecular Formula:C17H13N4NaO3
Molecular Weight: 344.3
CAS Registry Number:5601-29-6
Manufacturing Methods : 2-Aminobenzoic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then in a amide solution and formic acid chromium heating, in 113 ~ 115 ℃ maintain 6 hours, create chromium complex (1 to 2 atomic chromium Moore dye).
Properties and Applications: red light yellow. Deep yellow powder. Used for wool, silk, polyamide fiber dyeing and printing directly, also used in leather color.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6-7 | 4-5 | 5 | 5 | ||||
| AATCC | 6-7 | 5 | 5 | 5 | 5 | 4 | ||
List of Suppliers:
Acid Yellow 2GL Shangyu Guangming Chemical Co.,Ltd.
[…] and Applications: red light yellow. With C.I. Acid Yellow 121, C.I. Solvent Yellow 21 and the same chemical structure. Used for alcohol esters solvent tinting; […]