Reactive Violet 8
Name:C.I.Reactive Violet 8
Molecular Structure: Single azo class
Molecular Formula:C20H12Cl2Na2O8S2
Molecular Weight: 645.36
CAS Registry Number:12226-40-3
Manufacturing Methods : p-Anisidine diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine condensation, and then salting-out.
Properties and Applications: red light purple. Grey purple powder. The strong sulfuric acid for blue-black, accompanied by a few purple precipitation, diluted for blu-ray red; In concentrated nitric acid for brown, Diluted into reddish brown. Water solution is violet. Add in 1 Moore sodium hydroxide solution into orange, continue to join insurance powder and warm, fade, add a boric acid sodium into light yellow. Mainly used for cotton, nylon, silk, viscose fiber and fabric dyed and roll across, solid color rate is higher.
Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 4 | 5 | 4-5 | 4-5(95℃) | 5 |
List of Suppliers:
Reactive brilliant Violet X-4R,Reactive Violet X-2R,Reactive Violet2R,Reactive Violet X-2R
Taixing Jinji Dyestuff Co.,Ltd
Jiangsu Shenxin Dyestuffs & Chemicals Co.,LTD.(Wuxi Runxin Dyes Co., Ltd.)
Shanghai Yongqing industrial Co.Ltd.
Zhejiang Shunlong Chemical Co., ltd.
Mikacion Red Violet R ( Mitsubishi Chemical Industries )
Reactive Violet X-2R(Shandong Qing Shun Chemical Co., Ltd.)
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