Molecular formula: (CH3C6H4O)2PSSNa Specifications: Project Index Appearance Dard brown to black liquid PH 10-13 Content % 49-53 Packaging:200kg/drum Usage: As collector cooper,lead sulfide ore and gold,silver and other precious metals mineral flotation,commonly used in priority flotation separation of cooper,lead and zinc sulfide ore. Storage:To be kept away from fire, wet and sunshine. Note:Can be based on user needs technical indicators and packaging specifications.