Direct Orange S

Product Name: Direct Orange S


» C.I. No.: 29150

» C.I. Name: Direct orange 26

» CAS No.: 3626-36-6

Product Detail

Product Tags

Direct orange S is a kind of red-brown powder chemical which is easily soluble in water to form a orange solution with reddish shade. 

Direct orange S can be directly dissolved in water and has a high degree of directness to cellulose fibers.

It does not need to use chemical methods to dye fibers and other materials. Direct orange S is mainly used for dyeing cotton, viscose fibers, wool, silk, polyamide fibers and blended textiles, as well as for dyeing leather and paper.


Direct Orange S Specification

» Direct Dyes Name: Direct orange S

» Colour Index: C.I.Direct orange 26(29150)

» CAS No.: 3626-36-6

» Packing: 25kg net weight in drums or bags

» Usage: Cotton Dyestuffs, Leather Dyestuffs, Paper Dyestuffs, Silk Dyestuffs


Direct Orange S Basic Information

Basic Information

Product Name

Direct Orange S

Colour Index 

C.I. Direct Orange 26

Colour Index No.






Similar With Standard
           Strength  100%


Red Brown Powder
        Moisture %≤ 1.5

Insoluble Matter %≤



Very soluble in water and alcohol

Product Characteristics of Direct Orange S:

Direct orange S dye is more direct to cellulose fibers than other dyes. This is mainly due to the large molecular weight of direct dyes, linear molecular structure, good symmetry, long conjugate system and good plane.

At the same time, direct dyes contain amino, hydroxyl and azo groups, which can form hydrogen bonds with hydroxyl groups in cellulose fibers, hydroxyl groups and amino groups in protein fibers, thus further improving the dye’s directness.

XCWY Strong Dyes

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