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Acid Yellow 220

Name:C.I.Acid Yellow 220,C.I.11714

Molecular Structure: Single azo,Metal Complexes

C.I.Acid Yellow 220,C.I.11714,CAS 71603-79-7,552.92,C23H18ClN4NaO7S,Weak Acid Yellow S-2G,Acid Yellow S-2G,Neutral Yellow GS,Lanacron Yellow S-2G

C.I.Acid Yellow 220,C.I.11714,CAS 71603-79-7,552.92,C23H18ClN4NaO7S,Weak Acid Yellow S-2G,Acid Yellow S-2G,Neutral Yellow GS,Lanacron Yellow S-2G

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

Arondyes Chemicals

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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