Reactive Yellow 145(CAS Registry Number:93050-80-7)

Reactive Yellow 145

Name:C.I.Reactive Yellow 145

Molecular Structure: Single azo clas

C.I.Reactive Yellow 145,CAS 93050-80-7,1026.25,C28H20ClN9Na4O16S5,Reactive Yellow 3RS

Molecular Formula:C₂₈H₂₀ClN₉Na₄O₁₆S₅

Molecular Weight: 1026.25

CAS Registry Number:93050-80-7

Manufacturing Methods :  the between 1-(3-Aminophenyl)urea and 2,4,6-Trichloro-1,3,5-triazine  first condensation, 7-Aminonaphthalene-1,3,6-trisulfonic acid diazo, and condensation products coupled, again with a between, 2-(3-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation, and then salting-out.

Properties and Applications: red light yellow. Orange powder. Soluble in water, in the water solubility of 80 g/L. After dyeing fabric as the red light yellow, in dye bath of metal ions in iron, a little yellow color a little dark; Copper ions in that red light shadow change. The dye move color performance for grade 5, neutral white a category 5, white alkaline for 3 ~ 4 levels. Mainly used for cellulose fiber dyeing, suitable for polyester/cotton, polyester/stick blended fabric dyeing of a bath.