Indigo CAS 482-89-3 11669 Blue

CAS:482-89-3 synonyms： (delta2,2'-Biindoline)-3,3'-dione;11669Blue;11669blue;1H,1’H-[2,2’]biindolylidene-3,3’-dione;2-(1,3-dihydro-3-oxo-2H-indazol-2-ylidene)-1,2-dihydro-3H-indol-3-onChemicalbooke;2-(1,3-dihydro-3-oxo-2h-indol-2-ylidene)-1,2-dihydro-3h-indol-3-on;2(1,3-dihydro-3-oxo-2h-indol-2-ylidene)-1,2-dihydro-3h-indol-3-on;2,2’-Biindolinyl-3,3’-dion Brand Name:Unilong Place of Origin:Shandong,China Purity:99% Product name:Indigo Packing:25kgs/drum Delivery:Immediately MF:C16H10N2O2 MW:262.26
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Products Details

 What is Indigo

 Specification of Indigo

CAS 482-89-3
Other Names 11669 Blue
Appearance BLUE powder
Purity 99%
Color BLUE
Storage Cool Dried Storage
Package 25kgs/bag
Application Syntheses Material Intermediates
Indigo is a vat dye with a history of more than three thousand years. During the Warring States Period, Xun Kuang's famous sentence "green, out of blue is better than blue" originated from the blue dyeing technology at that time. "Blue" here refers to cyan, and "blue" refers to the blue grass from which indigo is made. Before the Qin and Han dynasties, the application of indigo was quite common, dark blue powder, insoluble in water.

 Application of Indigo

Mainly used for dyeing cotton yarn, cotton cloth, wool or silk. Pure products are used to make food dyes, or processed into organic pigments.

 Packing of Indigo

25kgs/drum,16tons/20’container

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