... Sulphur Dyes in China Sulphur Black B Sulphur Black BR Sulphur Black 2BR sulphur black we provide sulphur black,sodium chlorate,sodium chlorite, ... density450 - 500 kg/m3Solubility in water40 g/l (60 C)Solubility in other solventsSlightly soluble in DMF, DMSO, pyridin. ... ,5 - 10,0 (at 10 g/l, 20° C) Sales SpecificationAppearanceblack scale.Shadecorresponding to standardMoisture6.0% max.Insoluble matter ...