Molecular Structure:

Product description:

　　Name:C.I.Acid Yellow 49,C.I.18640

　　Molecular Structure: Single azo class

　　C.I.Acid Yellow 49,C.I.18640,CAS 12239-15-5,448.26,C16H12Cl2N5NaO3S,Weak acid Yellow GR,Weak acid Yellow NFC,Weak acid Yellow E-4G,Acid Yellow GR

　　Molecular Formula:C16H12Cl2N5NaO3S

　　Molecular Weight: 448.26

　　CAS Registry Number:12239-15-5

　　Properties and Applications: brilliant yellow. This applies to goods wool, silk, polyamide fiber and wool blended fabric dyeing, good levelness and also can be used for leather color.

　　Standard

　　Light Fastness

　　Soaping

　　Persperation Fastness

　　Oxygen bleaching

　　Fastness to seawater

　　Fading

　　Stain

　　Fading

　　Stain

　　Fading

　　Stain

　　ISO

　　5-6

　　2-3

　　3

　　3

　　3

　　3-4

　　3

　　2-3

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