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Reactive Brown 2

Name:C.I.Reactive Brown 2,C.I.263160

Molecular Structure: Double azo class

C.I.Reactive Brown 2,C.I.263160,CAS 12236-93-0/70210-17-2,966.22,C31H20ClN9Na4O12S4,Orang K-2RL,Reactive yellow Brown K-GR,Reactive Brown K-GR

C.I.Reactive Brown 2,C.I.263160,CAS 12236-93-0/70210-17-2,966.22,C31H20ClN9Na4O12S4,Orang K-2RL,Reactive yellow Brown K-GR,Reactive Brown K-GR

Molecular Formula:C31H20ClN9Na4O12S4

Molecular Weight: 966.22

CAS Registry Number:12236-93-0/70210-17-2

Manufacturing Methods : 5-Aminonaphthalene-1,3,6-trisulfonic acid diazo, and 2,5-Dimethylbenzenamine coupling, again diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine condensation, and then ammoniated.

Properties and Applications: orange light brown. Red brown powder, the strong sulfuric acid for black, with precipitation, diluted into brown; In nitric acid for red brown, after diluted into a brown. Water solution is golden brown; Add in 1 Moore sodium hydroxide solution for golden still, continue to join insurance powder and warm turned yellow, join a boric acid sodium into a colourless. Used for cotton or rayon, silk and PVA fabric dyeing and direct printing, resist printing, discharge printing..

Standard Light Fastness Oxygen bleaching Persperation Fastness Soaping
Fading Stain Fading Stain Fading Stain
ISO 6-7 4 5 5 5

List of Suppliers:

Orang K-2RL,Reactive yellow Brown K-GR,Reactive Brown K-GR

Taixing Jinji Dyestuff Co.,Ltd

Jiangsu Shenxin Dyestuffs & Chemicals Co.,LTD.(Wuxi Runxin Dyes Co., Ltd.)

Brown K-GR (Hangzhou Dikai Chemical Co Ltd)

Cibacron Brown 4GR ( Ciba Specialty Chemicals Inc )

Cibacron Brown 4GRA(Classic Dyestuffs Inc)

Conreact Brown B (Concord Commerce Company)

Dycosactive Yellow Brown K-GR(Sinochem Shanghai I/E Corp/Schecho PuDong Corporation)

Kayacion Brown A-2G(Nippon Kayak u Co Ltd)

Reactive Yellow Brown K-GR (Brighten Colorchem BV)

Reactive Yellow Brown K-GR (Sinochem Ningbo Imp & Exp Corp)

Triacion Brown H-2G(Chemische Fabriek Triade BV)

Yellow Brown K-GR (Sinochem Liaoning Import & Export Corporation)

Yellow Brown K-GR(Sinochem Jiangsu Wuxi Imp & Exp Corp)

Youhaoreactive Brown K-GR(Sinochem Tianjin Imp Exp Corp)


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