1. Product Name: Sulphur Black/Sulfur Black
2. CAS No: 1326-82-5
3. HS Code: 3204191100
4. Molecular formula: C6H4N2O5
5. Appearance: Black powder granule
6. Usage: Mainly used dyeing oncotton, also used dyeing on cambric, viscose and vinylon
7. Manufacture for Sodium Silicate