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Indigo /Indigo Blue

Product Name: Indigo /Indigo Blue

Colour Index: C.I. Vat Blue 1
Cas No. 482-89-3
Composion: Phenylethane acid potassium salt reacts to amino sodium through alkali fusion, and then oxidized.
Appearance: Dark blue even Granular and Powder 
Strength:94%
Shade: To the similar standard of the factory
Moisture%:0.45 Max
Particle size(-60 mesh)%: 95
Fe3:200ppm Max 

MOQ:1000KG 

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