Acid Yellow 220
Name:C.I.Acid Yellow 220,C.I.11714
Molecular Structure: Single azo,Metal Complexes
Molecular Formula:C23H18ClN4NaO7S
Molecular Weight: 552.92
CAS Registry Number:71603-79-7
Manufacturing Methods : 2-(3-Amino-4-hydroxyphenylsulfonamido)benzoic acid diazo, and N-(2-chlorophenyl)-3-oxobutanamide coupling, and then into 1:2 cobalt complex.
Properties and Applications: dark yellow. Deep yellow powder. Mainly used for wool, silk and polyamide fiber dyeing and printing.
Standard(Polyamide) | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 7-8 | 4-5 | 4-5 | 5 | 4-5 |
List of Suppliers:
Weak Acid Yellow S-2G,Acid Yellow S-2G,Neutral Yellow GS
Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.
Shangyu Guangming Chemical Co.,Ltd.
Acid Yellow S-2G ( Cosmonaut. Chemicals )
Hangzhou Sunshine Acid Yellow 220 200% ( Hangzhou Sunshine Chemicals Co Ltd )
Irgaderm Yellow M ( TFL Leather Technology Ltd )
Lanacron Yellow S-2G ( Ciba Specialty Chemicals Inc )
Lerui Acid Yellow S-2G ( Rosi Chemical Co Ltd )
Ostalan Yellow SG ( SPOLCHEMIE )
Ostalan Yellow S-G (SBU Pigments and Dyes)
Simacid Yellow 24891 (Simpsons (UK) Ltd)
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