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Indigo blue
Indigo blue

 

Product Name:Indigo blue

 

 

Detailed information about Indigo blue

 

Cas No.

482-89-3

Colour Index 

Vat Blue 1

Appearance

Dark blue,Powder,Granular

Colour light

Similar as the standard sample

Content

94.0% min

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

indigo blue is insoluble in water and alcohol.It is soluble in hot Aniline

 

 

Usage of Indigo Blue


Indigo blue is mainly used in dyeing cotton yarn, cotton, wool or silk etc.

The pop "cowboy" clothes mostly are made by indigo blue dying longitudinal yarn and white yarn 
interweaving
Indigo blue 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.

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