Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
Tel: +86-371- 86259723
Tel: 17734809689
Tel: 17734809689
Tel: 86-371-86259723
Tel: 17734809689
Tel: 17734809689
Mobile: 17734809689
Tel: +86-371- 86259723
Fax: +86-371- 86259723
Province/state: HENAN
City: ZHENGZHOU
Street: Mingmen International Center, NO.222 Dongming Road,Zhengzhou,Henan,China
MaxCard:
Indigo blue 94%
Product Description
The appearance is dark blue even grains.It dissolves in hot anilin,but not in water.It turns yellow green when meeting the oil of vitriol.It is yellow in alkaline rongalite revert liquid and white in acidic liquid.
Specification
Cas No. |
482-89-3 |
Appearance |
Dark blue,Powder or Granular |
Colour light |
Similar as the standard sample |
Content |
≥93.0%,94.0% |
Moisture content |
≤1.0% |
Strength |
Equal to 100 percent of the standard sample |
PH Range |
9.5-10.5 |
Content of ferric ions |
≤200PPM |
Properties |
It is insoluble in water and alcohol. It is soluble in hot Aniline |
Product Application
It is mainly used to dye cotton fibre .The pop "cowboy" clothes mostly are made by indigo blue dying longitudinal yarn and white yarn interweaving;It can be used with sulfurated coloring matter;Also we can get indigo white,bromized indigo blue from it,they are well used in food coloring matter,biochemistry etc.