Product Description
Indigo Blue
1. CAS No. 482-89-3
2. Molecular formula: C16H10O2N2
3. Molecular weight: 262.26
4. Specification:
Indigo Powder
Appearance: Dark blue uniform powder
Content: 94% min.
Iron ion: 200 ppm max.
Moisture: 1.0% max.
Indigo Granule
Appearance: Dark blue uniform Granule
Content: 93% min.
Iron ion: 200 ppm max.
Moisture: 1.0% max.
3. Uses: As raw material, reduced indigo is mainly used in cotton yarn,
Cotton cloth, wool or silk. The pure product can be used to produce
Food dyes. And it can also be used to produce 5.5'-7.7'-tetrabromo
Indogo, and used in biochemical medicament and indicator.
4. Packing: 25kg plastic drum
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