Yellow H4G(چاپ)

Yellow H4G(چاپ)

 

Textile Dyestuffs 

C.I.Reactive Yellow 18

Molecular Structure: Single azo class

C.I.Reactive Yellow 18,C.I.13245,CAS 12226-48-1,906.12,C25H16ClN9Na4O13S4, Reactive Yellow K-G,Reactive Yellow K-4G,Reactive Yellow P-4G,Reactive Brilliant Yellow K4G

 : Name of Yellow 18

Reactive Yellow K-G

,Reactive Yellow K-4G

Reactive Yellow P-4G

Reactive Brilliant Yellow K4G

 

Molecular Formula:C25H16ClN9Na4O13S4

Molecular Weight: 906.12

CAS Registry Number:12226-48-1

Manufacturing Methods : 2-Aminobenzene-1,4-disulfonic acid and 2,4,6-Trichloro-1,3,5-triazine first condensation, and 2,4-Diaminobenzenesulfonic acid second condensation, its product diazo, and 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone coupling, and then salting-out.

Properties and Applications: colourful green light yellow. Golden yellow powder. The strong sulfuric acid for yellow; In the nitric acid is yellow, no change after diluted. The dye water solution is yellow, with 1 Moore sodium hydroxide solution, continue to add insurance powder and warm, there were no change color, add people had boric acid sodium to colorless. Used for cotton or viscose fiber dyeing, suitable for rolling roll piled up and roll dyeing process. Can be used for cotton or viscose fiber, the dye, direct discharge printing, also can be in silk or viscose filament fabric and printing.

Standard Light Fastness Oxygen bleaching Persperation Fastness Soaping
Fading Stain Fading Stain Fading Stain
ISO 6 4(red) 5 4 4-5 4-5 5

 

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