dye|World dye variety

Name:C.I.Reactive Yellow 81

Molecular Structure: Double azo class

C.I.Reactive Yellow 81,CAS 59112-78-6,1632.18,C52H34Cl2N18Na6O20S6,Reactive Yellow KD-3G,Reactive Brilliant Yellow KE-3G,Reactive Yellow KE-4RN,Reactive Brilliant Yellow KM-3G

Molecular Formula:C₅₂H₃₄Cl₂N₁₈Na₆O₂₀S₆

Molecular Weight: 1632.18

CAS Registry Number:59112-78-6

Manufacturing Methods :

1,2-Bis(4-amino-2-sulfophenyl)ethene  and 2,4,6-Trichloro-1,3,5-triazine first condensation, and 2,4-Diaminobenzenesulfonic acid second condensation, and then diazotization and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.

Properties and Applications: Brilliant green yellow. Pale yellow powder. Soluble in water, 50 ℃solubility of 200g / L. After staining shade of brilliant green yellow dye bath containing iron ions, turn red to dark shade of copper ions versa. High affinity for the dye, a reactive medium, optimum detergency. Do not pull the white neutral and alkaline. Mainly for cotton, linen, viscose, polyester / cotton blended and polyester / rayon blended dyeing, particularly suitable for a bath dyeing.

List of Suppliers:

Reactive Yellow KD-3G,Reactive Brilliant Yellow KE-3G,Reactive Yellow KE-4RN,Reactive Brilliant Yellow KM-3G

Hubei Hwalle Dyestuff Industry Co.,Ltd.

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.

Akreact Brilliant Yellow GE (Aakash Chemicals & Dyestuffs Inc. )

Assofix Yellow HE3G(Associated Intermediates & Chemicals)

Chromafix Yellow HE-4G(Chrochem AG)

Helaktyn Yellow DE-2G(Boruta – Kolor)

Meactive Yellow HE4G(Astik Dyestuff Pvt Ltd)

Procion Supra Yellow H-3GP (Imperial Chemical Industries)

Reactofix Yellow HE4G(Jaysynth Dyechem Ltd)

Reactofix Yellow SE4G (Jaysynth Dyechem Ltd)

Triacion Yellow SE-3G(Chemische Fabriek Triade BV)

Vilmafix Yellow 3G-HE(Vilmax SA)