sodium sulfide 1.MOQ is 1MT 2.yellow or red flakes 3.10ppm, 20ppm,30ppm,80ppm,150ppm, ... red flakes 10ppm,20ppm,30ppm,80ppm,150ppm,1500ppmMolecular formula:Na2SHS CODE:2830101000Class No.:8UN NO.:1849Property:Thin flakes,yellow or red ... .40%max.Na2CO31.80%max1.80%max.1.80%max.2.00%max.3.00%max.5.00%max.Na2SO31.00 ... .80%max.2.00%max.2.00%max.2.00%max.Na2S2O32.00%max2.00%max.2.00%max.2.00%max.2.00%max.2.00 ...