The current page: Home - Vat DyesVat Dyes
Indigo
Indigo 
Synonyms: Vat Blue 1
CAS No.:  482-89-3
Molecular Formula:  C16H10N2O2
Specification: 
| Item | Specification | 
| Appearance | Dark blue Granula | 
| Content%≥ | 94 | 
| Moisture Content%≤ | 1.5 | 
| Fe content ppm≤ | 200 | 
| Dissolving Time (20℃) S≤ | 40 | 
| 40 | 40 | 
Applications: 
As dyestuff and mainly used to dye denim, cotton yarn, cotton fabrics, wool, silk cloth and etc.
Package:  In 25kg plastic woven bags/carton, 500kg jumbo bag or according to customers’ requirement.
Storage:  Kept in cool and dry place.
Note: With long production history, “Honghuan” brand indigo has stable quality and premium performance.





