Solubilished Sulphur Black is one special Sulphur Black dye, it can be soluble in normal water. For Sulphur dyes, they have good light fastness and washing fastness but color is not bright enough.
Solubilished Sulphur Black 1 C.I.53186 CAS NO. 1326-83-6 Black powder soluble in water, solubility 150-200g/L. Mainly used for dyeing cotton, hemp, vinylon, artificial leather and viscose or wool sliver