Reactive yellow 145

Reactive yellow 145

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Reactive yellow 145 is named as Reactive Yellow 3RS. It has bright shade, good color fastness, low price, and wide application. Reactive yellow 145 and Reactive Red 195, Reactive Blue 194 or 222 compose the three primary colors, which are stable in color and light, and are often used for printing and dyeing cellulose fibers.

Basic information of Reactive yellow 145:

Name: Reactive Yellow 3R, Reactive Yellow M3RE, Reactive Yellow ME-3RS, Reactive Yellow SP-3R, Reactive Yellow B-4RFN

C.I.: Reactive yellow 145

Molecular formula: C28H20ClN9Na4O16S5

Molecular weight: 1026.25

CAS number: 93050-80-7

Structural formula:

Uses of Reactive yellow 145:

Reactive yellow 145 can not only be used in the dyeing and printing of cotton, linen, viscose, silk, wool and other fibers, but also in the dyeing and printing of blended fabrics.

The application performance of Reactive yellow 145 is as follows:

1) Reactive yellow 145 is less affected by the liquor ratio during dip dyeing

During dip dyeing, Reactive yellow 145 is less affected by the bath ratio. When the bath ratio drops from 1:20 to 1:5, the depth of the dye will increase within 5%. When the amount of dye is within 0.1%, the final color depth will be affected. The influence of bath ratio is difficult to distinguish with the naked eye and can be ignored.

2) When nylon and cotton fibers are dyed in the same bath, Reactive yellow 145 can dye two fibers at the same time

 In the same bath dyeing of nylon and cellulose fibers, Reactive yellow 145 dye can dye two kinds of fibers at the same time. With the difference of dyeing temperature, the color of the two kinds of fibers is also different.

3) Reactive yellow 145 printing performance

Reactive yellow 145 has good color fastness when printing. The best steaming time is 6min, and the color is stable within the range of 5-8min.