0102030405
Acid Orange II/Acid Orange 7 100% For Dyeing Wool
Product Specification
Name |
Acid Orange II |
Other Names |
Acid Orange 7 |
CAS No. |
633-96-5 |
MF |
C16H11N2O4SNa |
STRENGTH |
100% |
APPEARANCE |
Orange red powder |
APPLICATION |
Used for dyeing silk, wool, leather, paper, nylon and so on. |
PACKING |
25KGS PP Bags/Kraft Bag/Carton Box/Iron Drum |
Product Description
Acid orange II （Acid Orange 7）is Orange red powder, reddish yellow when dissolved in water, orange when dissolved in ethanol, magenta in concentrated sulfuric acid, and brownish yellow precipitate after dilution. Its aqueous solution is added with hydrochloric acid to produce brownish yellow precipitate, and dark brown when added with sodium hydroxide. When dyeing, it tends to be dark red when encountering copper ions, and light and dark color when encountering iron ions, and has good discharge properties.
Dyeing Method
(1)Recipe of dyeing bath
Acid dyestuffievelling agent |
0.5-1.5% |
Na2SO4 |
0-10% |
Ammonium sulfate or Acetate |
2-4% |
Acetic acid 80% |
X% |
(Adjust PH 4-5, light color PH to 6.0)
(2)Dyeing Procedure
It is mainly used for dyeing silk and wool fabrics, and can also be used for dyeing leather and paper. It can dye nylon in formic acid bath. This product can be directly printed on wool, silk and nylon, and can also be used as an indicator and biological coloring.
Acid orange II（Acid Orange 7）
1.Store in a cool, ventilated warehouse. Keep away from fire and heat sources.
2.Package should be sealed. Store separately from oxidants, alkalis, and edible chemicals. Do not store them together.
25KGS PP Bags/Kraft Bag/Carton Box/Iron Drum
