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Acid Brown 28

Name:C.I.Acid Brown 28

Molecular Structure: Single azo,Metal Complexes

C.I.Acid Brown 28,CAS 12238-94-7,330.30,C15H14N4O5,Neutral Brown RL,Lanyl Brown R,Neutral Brown BRL

C.I.Acid Brown 28,CAS 12238-94-7,330.30,C15H14N4O5,Neutral Brown RL,Lanyl Brown R,Neutral Brown BRL

Molecular Formula:C15H14N4O5

Molecular Weight: 330.30

CAS Registry Number: 12238-94-7

Manufacturing Methods :    2-Amino-4-nitrophenol diazo, and N-(2-hydroxy-5-methylphenyl)acetamide coupling, and then turn it into 1:2 chromium complex.

Properties and Applications: red light brown. Black brown powder, soluble in water for black brown solution. Used for wool, silk, polyamide, PVA and their blended fabric dyeing and printing, also can be used for leather dyeing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 7 5 5 4-5 4 4-5 5

List of Suppliers:

Neutral Brown RL

Qingdao Double Peach Specialty Chemicals (Group) Co., Ltd.,

Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd.

Shangyu Guangming Chemical Co.,Ltd.

Lanyl Brown R ( Sudarshan Chemical Industries Ltd )

Orcolan Neutral Brown BRL ( Organic Dyestuffs Corp )


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