Sulphur Black 1 liquid Dynasul Black BR liquid
Dynasul Black BR liquid
CAS NO.:1326-82-5
Quantity
Dynasul Liquid dyes are environmental-friendly liquid sulfuration dyes
1. Molecular formula: C6H4N2O5 |
2. Molecular weight: 184.11 |
3. Structure formula: |
4. CAS NO.:1326-82-5 |
5. Appearance: Black liquid. |
6. Specification: Strength 200% |
7. Usage: Mainly used in dyeing of leather. |
8. Packing, storage and transportation: Packed with 1000KGIBC TANK, allows to be tansported by the general means. |
green black and blue black. Black uniform powder. Insoluble in water and Etanol. In the Sodium sulfide solution solubility is good, for green black; Add Sodium hydroxide and Sodium sulfide solution of colour and lustre is blue; Add hydrochloric acid Sodium sulfide solution to have green black precipitation; In the cold part of concentrated sulfuric acid solution, after heating for deep green light blue, further heating into dark blue; In 25% of fuming sulfuric acid for black blue, dilution after green black precipitation. Dyeing content in alkaline insurance powder solution for yellow olive, after oxidation can restore the original colour and lustre; In Sodium hypochlorite solution all fade, join concentrated sulfuric acid no effect. Mainly used for cotton, vinylon/cotton blended fabric dyeing, and can also be used to hemp, viscose fiber dyeing.
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