dye|World dye variety

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

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..

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)