![]() | Sulphur Black Product name:sulfur black Chemical formula:C6H4N2O5 CAS No:1326-82-5 EINECS.No:215-444-2 H ▪ S CODE: 3204191100 Properties:Black powder. Insoluble in water and ethanol. Dissolved in sodium sulphide solution as dark green; greenish black precipitate in hydrochloric acid; blue in sodium hydroxide solution Application:1.Mainly used for dyeing cotton textiles. 2.Also used for dyeing cotton products, leather and paper. Packing: 25KG packed in laminated woven bags, which can also be packed according to customer requirements. |
Items | Specifications | Test Result |
Appearance | Black powder | Black powder |
strength | 150~220 | 200 |
Moisture % | ≤5.0 | 4.9 |
Water intolerant % | ≤0.5 | 0.42 |
ree sulfur content % | ≤0.15 | 0.15 |
PH % | 8 | 8 |