Indigo Dye with Wide Application Area
Indigo dye is an organic compound with a distinctive blue color. Historically, indigo is a kind of blue pigment extracted from plants named Indigofera grew in the British Islands. So the color indigo is named after the plant indigo. Indigo dye has been used for thousands of years all over the world. It has been the most outstanding and most extensively used natural dye throughout history and is still extremely popular today. But nearly all indigo dye produced today (several thousand tons each year) is synthetic based on chemical methods. The familiar color of blue jeans is the best evidence. There are many people wearing jeans in modern society, including men, women, children and the old. Therefore, the amount of indigo dye used is larger than the past.
The structural formula of indigo dye.
The structural formula shows the properties of indigo dye clearly.
A heap of blue powder in white background.
Indigo dye can give a blue tone, making the world more colorful.
Specification:
Molecular formula: C16H10N2O2.
Relative molecular weight: 262.27 (according to the international molecular weight of 1983).
Appearance: Dark blue granular or powder.
Purity: Above 93%.
Strength: Above 80%.
PH Range: 9.5 - 10.5.
Moisture content: â?¤1.0%.
Content of ferric ions: â?¤200ppm.
Packaging detail:
25kg/bag, outside is plastic woven bag, inside with plastic-coating bag.
20kg carton with wood pallet. Loading quantity: 9 tons in 1FCL, 20 feet.
15/20/25kg per iron drum.
Packed as customers