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Product Name: Indigo /Indigo Blue 94%
Other Name:Vat blue; Dihydro
Appearance: Dark blue even Granular and Powder
Cas No. 482-89-3
Product Description
Indigo Blue, also known as indigo or indigotin, is a deep and rich color close to the color wheel blue, as well as some variants of ultramarine. It is a natural dye extracted from the leaves of certain plants, particularly those from the genus Indigofera. The dye has been historically significant and was one of the most valuable commodities in trade. Today, it is also produced synthetically and used in a variety of applications.
Contact us today to explore how our Indigo Blue(Vat Dye) can meet your specific needs.
Detailed informations of indigo as following:
| Cas No. | 482-89-3 | ||||||
| Colour Index | Vat Blue 1 | ||||||
| Appearance | Dark blue,Powder,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 | ||||||
Application
1. It can be used for dyeing wool, silk and nylon, with excellent uniformity.
2. It is used for coloring leather, paper, soap, wood products, biological products, medicine, cosmetics, and also as a food coloring agent.

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