Also Called: sodium polysulphides; Na2 ( Sx ); sodium sulfide; sulfide; sulphide;Sodium polysulfide;Sodium sulfide (Na2(S$x));Sodium polysulphides, >26% in a non hazardous diluent;Sodium polysulphides, >26% in a non hazardous diluent;sodium polysulfides;Sodium sulfide (Na2(Sx))