1)Sodium Sulfide Competitive Price 2)Na2S:52%,60%Min 3)Fe Content:5-1500PPM. 4)Package:N.W.25/bag or N.W150kgs drum. Purity 52%,60% Sodium Sulfide (Fe:5ppm-1500ppm)1.PropertiesProduct name: sodium sulfideCAS No.:1313-82-2 EINECS No.: 215-211-5H.S Code:2830101000.UN NO.:1849.IMDG: 8.2.Molecular Weight:78.04 Molecular Formula: Na2SAppearance: Red or yellow, flakes or solid2. ApplicationsUsed as ...