Molecular Structure:

Product description:

　　Name:C.I.Acid Violet 48

　　Molecular Structure: anthraquinones

　　C.I.Acid Violet 48,CAS 12220-51-8,662.77,C37H39N2NaO6S,Weak Acid Pale Purple N-FBL,Weak Acid Violet N-FBL,Weak Acid Violet FB,Acid Violet N-FBL

　　Molecular Formula:C37H39N2NaO6S

　　Molecular Weight: 662.77

　　CAS Registry Number:12220-51-8

　　Properties and Applications: the appearance of the Dark reddish brown powder, soluble point 100℃,λMax = 592 nm (water), soluble in water, in 20℃water solubility of 8 g/L. In strong hydrochloric acid for product red, diluted into light purple, have precipitation; In nitric acid for coffee. After add sodium hydroxide and have better light precipitation. Levelness medium, white sex is not good. Used for wool, silk, polyamide fiber and its blended fabric dyeing and printing, but 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

　　6

　　4-5

　　5

　　4-5

　　3-4

　　3

　　5

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