Name:C.I.Acid Yellow 121,C.I.18690
Molecular Structure: Single azo,Metal Complexes
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|
List of Suppliers:
Acid Yellow 2GL Shangyu Guangming Chemical Co.,Ltd.