Product Name:Sodium sulphide/ sulfide Molecular formula: Na2S CAS NO.:1313-82-2 UN No.:1849 Hazard: Class 8 HS Code:28301010 Product Specification / Models 1500PPM Na2S(%): 60.0Min Na2CO3(%): 5.0Max Water Insoluble(%): 0.4Max Fe(%): 0.15Max 150PPM/80PPM Na2S(%): 60.0Min Na2CO3(%): 3.0Max/2.0Max Water Insoluble(%): 0.2Max Fe(%): 0.015Max/0.008Max 50PPM/30PPM Na2S(%): 60.0Min Na2CO3(%): 2.0Max Water Insoluble(%): 0.2Max Fe(%): 0.005Max/0.003Max 20PPM/15PPM Na2S(%): 60.0Min Na2CO3(%): 2.0Max Water Insoluble(%): 0.2Max Fe(%): 0.002Max/0.0015Max 10PPM/5PPM Na2S(%): 60.0Min Na2CO3(%): 2.0Max Water Insoluble(%): 0.2Max Fe(%): 0.001Max/0.0005Max Crystal sodium sulphide Na2S(%): 43Min/31Min Na2SO3+Na2S2O3(%): 1.0Max/0.6Max Fe(%): 0.001Max/0.0008Max Purified sodium sulphide anhydrate Na2S(%): 96Min/94Min/92Min Na2CO3(%): 2.0Max Na2SO3+Na2S2O3(%): 3.0Max Water Insoluble(%): 0.05Max Fe(%): 0.05Max price: We can offer the most competitive price under the same quality Payment: T/T in advance or L/C at sight issued or confirmed by a first-class international bank Packing: 25kg net in PP woven bags with two-layer PE inner film linling, pallet and film for Outer Packing, 20mt/20FCL Minimum order:18 metric ton Place of Origin:china(mainland) Production:industrial grade, ISO9001 obtained Application: Mainly used in making sulfur dyestuff intermediates, reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making, and also widely used in pigment and rubber industry.