Cas #: 1313-82-2, Sodium sulfide (Na2S) is in yellow flakes form with a strong sulfurous smell which is used in different applications and the main ones are Mining industry (Flotation process), Leather tanning (Hair removal agent) and Textile industry (Fabric dyeing process). Novichem Co. is the leading manufacturer and supplier of Sodium sulphide (Yellow flakes) from Iran to multiple countries in Europe, Asia and Africa. You may find and download technical specifications and applications (uses) together with the safety data sheets of our product separately is the below TDS and MSDS files.