Complaint
English name :Sulphur Black 1
Chinese alias: vulcanized green; Sulfide element; Boil green; Vulcanized green paste; Boil black; Black sulphide
C.I. Sulphur Black 1; C.I. Sulfur Black 1; 2, 4-dinitro -phenol sulfurised; Sulphur Black B/BR; Sulphur Black BR; Sulfur Black; Sulphur Black
CAS number :1326-82-5
Molecular formula :C6H4N2O5
Molecular weight :184.10636
| Iterms | Standards | Result |
| Appearance | bright black powder or granular | bright black powder or granular |
| Itensity | 100% | 100% |
| Coloured light | Green red light | Green red light |
| ≤ Moisture | 6.0 | 5.3 |
| ≤Sodium sulfide insoluble matter content | 1.0 | 0.5 |
| ≤Free sulfur content | 1.0 | 0.45 |
| Conclusion | Qualified | |
sulphur black is mainly used as dye on cotton, also used as dye on cambric, viscose and vinylon.
Mainly engaged in indigo particles and sulfur black series products organic, inorganic chemical products more than 200 kinds. Our products can be found everywhere in China. At the same time, we have established long-term and stable cooperative relations with more than 4,000 customers. We have a large market share in the industry.
In addition, we have a very professional chemical transportation team to provide customers with quality "one-stop" service, and establish a good reputation. The company is also actively striving to explore the international market. Products are exported to Asia, Europe, North America, South America, Africa, the Middle East and other countries and regions.
"Our goal is to provide our customers with the best quality services and products. We will work together with customers to achieve mutual benefit and win-win, common development!
1. Are you manufacturer or trading company?
