Dynasty Chemicals (NingBo) Co., Ltd.
Model No.: C.I.Reactive Blue 4
Reactive Dyes are applicable to cellulosics like cotton, rayon.
X- type is used in low temperature dyeing procedures for cellulosics.
|X type||C.I. Reactive||CAS NO.||Characteristics|
|Brill. Blue X-BR||Blue 4||13324-20-4||Brilliant Blue|
Product Name: Reactive Blue 4
Synonyms:C.I.61205,CAS 13324-20-4/4499-01-8,C23H12Cl2N6Na2O8S2,Reactive brilliant Blue X-RL,Reactive brilliant Blue X-ARL,Reactive brilliant Blue X-BR
Molecular Formula: C23H12Cl2N6Na2O8S2
Molecular Weight: 681.39
Molecular Structure :
Properties and Applications: bright blue. Dark blue powder. The strong sulfuric acid for red brown, diluted into blue; In nitric acid to orange, no change after diluted. The dye water solution is blue, with 1 Moore sodium hydroxide solution is still blue, continue to join insurance powder and warm, turn dark red, plus a boric acid to red,. Mainly used for cotton, nylon, wool, silk and viscose yarn and fabric as the dyeing and printing, printing and dyeing directly. Structure and C.I.Reactive Blue 1 the same.
|Standard||Light Fastness||Oxygen bleaching||Persperation Fastness||Soaping|
|ISO||6||3-4||4-5||4 (shallow,green)||5||4(95℃)|| 4-5 |
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