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Dyestuffs » Direct Dyes
Direct Dyes
Substantive dyes or more popularly known as Direct Dyes
are dyed on cellulosic fibers at near boiling temperatures from neutral or
weakly alkaline baths along with salt (Common or Glaubers Salt Calc.)
Although this class of dyes can not be compared with vat, solubilized vat,
azoic, fiber reactive, sulphur and pigment groups of colorants in respect of
color fastness properties, their comparative cheapness, simplicity of
application and availability of all shades and hues in one class of
dyestuffs makes them one of the most important groups of dyes for cotton,
viscose, cuprammonium and various cellulose based fine textiles such as
voiles, georgette, crepe, chiffon. Knitwear etc . because many for dyeing
ground shades for subsequent discharge printing.
Specific Direct Dyes are also used for dyeing lignin fibers such as jutes,
sisal, coir, paper, leather, natural silk, wool, nylon as well as blends of
cellulose.
Leading manufacturer and exporter of Direct
Dyes from
india
Principales fabricantes y exportadores de los colorantes directos de la
India
Fihrende Hersteller und Exporteur von Direct Dyes aus Indien
Fabricant et exportateur de colorants directs de l'Inde
Application: |
Most suitable for dyeing of cellulosic fibers like cotton, flax, viscose rayon, acetate and jute. |
CAS Number: |
1325-38-8 |
Appearance: |
powder |
Color Index Number: |
40001 |
Application: |
Used for cotton or viscose dyeing, general is not used for printing, also can be used for leather, paper color. |
CAS Number: |
1325-37-7 |
Appearance: |
Red light yellow |
 |
Application: |
|
CAS Number: |
2870-32-8 |
Appearance: |
Orange crystalline powder |
Color Index Number: |
40001 |
 |
Application: |
Used for cotton, viscose of dyeing and printing, also used in cotton, viscose fiber blended fabric, wool, silk and polyamide fiber dyeing. |
CAS Number: |
8005-72-9 |
Appearance: |
Red light yellow |
 |
Application: |
Used for cotton, viscose, silk, polyamide, polyester/cotton blended fabric dyeing and printing directly, can also be used for leather, paper and ink color. |
CAS Number: |
8005-52-5 |
Appearance: |
Brown powder |
 |
Application: |
Apply to polyester/cotton/polyester sticky, blended fabric dyeing of a bath, especially applicable to a bath dyeing of step, also can used for silk dyeing and paper color. |
CAS Number: |
50925-42-3 |
Appearance: |
Yellow powder |
 |
Application: |
Used for cotton or viscose direct printing, also can be used for silk, wool, WeiGuan and polyamide fiber fabric dyeing, can also be used in leather and pulp dyeing. |
CAS Number: |
3626-36-6 |
Appearance: |
Orange to red light HuangGuangGong colourful |
Application: |
Used for cotton, silk, wool and their blended fabric dyeing and printing, also can be used for leather and paper shading, its heavy metal salt can be used as organic pigments. |
CAS Number: |
12222-37-6 |
Appearance: |
Red light orange |
Application: |
Used for cellulose fiber dyeing and printing, can be in wool and silk printing directly on, also can used for leather and paper color. Exhaust dyeing. |
CAS Number: |
1325-61-7 |
Appearance: |
Red light orange |
Application: |
Mainly used in viscose and viscose fabric dyeing and printing, Exhaust dyeing, printing and can be directly to white color, also can used for leather and paper shading, knitting fabric and carpet can be used and Allosperse Disperse Dyestuffs used for the high temperature dyeing polyester/stick blended fabric. |
CAS Number: |
1325-54-8 |
Appearance: |
Red light orange |
Application: |
Most suitable for dyeing of cellulosic fibers like cotton, flax, viscose rayon, acetate and jute.Applicable on Leather and Paper coloration. |
CAS Number: |
6358-79-8 |
Appearance: |
Orange |
Color Index Number: |
29173 |
Application: |
Direct Red 23 is an azo dye that has been used as a model compound in adsorption studies. |
CAS Number: |
3441-14-3 |
Appearance: |
Maroon to dark brown powder |
Color Index Number: |
29160 |
Application: |
Mainly used in viscose, such as cotton, silk, polyamide fiber cellulose fiber and viscose/silk blended fabric dyeing, can be used for pulp shading. |
CAS Number: |
5001-72-9 |
Appearance: |
Red brown powder |
Application: |
A useful dye and model compound in adsorption studies. |
CAS Number: |
2610-10-8 |
Appearance: |
Yellowish-red to black crystals or powder |
Color Index Number: |
35780 |
Application: |
Direct Red 81 is a highly conjugated organic dye that has been reported to stain proteins in SDS-PAGE gels. |
CAS Number: |
2610-11-9 |
Appearance: |
Dark brown to red brown powder |
Color Index Number: |
28160 |