| Specification | ||
| Product Name | Nigrosine Black Granular | |
| C.I.No. | Acid Black 2 (50420) | |
| Appearance | Black Shining Granular | |
| Shade | Similar to Standard | |
| Strength | 100 % | |
| Moisture (%) | ≤6 | |
| Ash (%) | ≤1.7 | |
| Fastness | ||
| Light | 5~6 | |
| Soaping | 4~5 | |
| Rubbing | Dry | 5 |
| Wet | - | |
| Packing | ||
| 25KG P.W. Bag / Iron Drum | ||
| Application | ||
| 1.Mainly used for dyeing on leather 2.Also be used for dyeing of paper, wood, soap and wool | ||

