Loading
Enoch dye
ENOCHDYE famous brand under EMPEROR CHEMICAL.It is special dyestuff manufacturer group in china

Reactive orange 7

Product Name: Reactive Orange 7

C.I. No.: ---

CAS No.: ---

Molecular Formula: ---

Molecular Weight: ---

Reactive Name: Reactive Brilliant Orange  KN—4R

Chemical structure  Monoazo

Molecular weight (C.I.17756)

image.png

 

Reactive Orange 7 Dyeing Fastness(grade)

 

Dyeing Method 

Dyeing Temperature (℃)

pH Value

Leveling property 

Whitening(Grade)

Sobulity (g/L)

Other properties

Dip dyeing 

60

7

Medium 

4~5(Alkaline)

80(20℃)

 

Color Fastness(Cotton)(Grade )

Light Fastness

Soaping(95℃)

Perspiration

Ironing 

Rubbing

Bleaching resistant

Mercerized

Chloride dip

Standard depth

1/25

Depth

Orginal color changed 

White fabric stained

Orginal color changed 

White fabric stained

 

Immediately

 

4hafter

 

Dry

 

Wet

 

Chlroine bleaching

 Oxygen bleaching

Orginal color changed 

White fabric stained

Orginal color changed 

5~6

4~5

3~4

3~4

4~5

4~5

5

4

4~5

1

4

3

 

Reactive Orange 7 Properties and Applications:

 

Appearance is orange powder, good solubility in water. It is red in concentrated sulfuric acid, orange after dilution; orange in nitric acid, no change after dilution. The aqueous solution is orange, adding 1mol/L sodium hydroxide solution In dark red, continue to add the powder and warm, turn to light yellow, then add sodium perborate can not return to the original color.

 

Usage

It can be used for dyeing cotton, viscose fiber, dyeing, pad dyeing, medium affinity and leveling, and low fixing rate. It is also suitable for direct, anti-dyeing and dyeing printing of the above fabrics. Adding baking soda to the pulp, neutral steaming and fixing, direct printing and white staining less. It can also be used for dyeing wool, silk, vinylon and nylon. The acid bath for nylon dyeing can reach 85% dyeing day. The light fastness is poor.

 

Precaution 

The dye should not be bleached.

Package, 25KG/DRUM, CARTON BOX, BAG

 

^