Product: Sodium Pyrophosphate(TSPP) Molecular formula: Na4P2O7 Molecular Weight: 265.9 CAS No.: 7722-88-5 Packing: packed in plastic woven bag with PE lining,25kgs/bag Volume/ 20FCL: 22MT Payment term: L/C at sight or T/T (30% T/T in advance, 70% against the copy of B/L). Standard executed: HG/T2968-1999(Technical Grade), GB8848-88(Food Grade) Properties: White powder; Soluble in water but insoluble in ethanol; Relative density 2.45 and melting point 890 ; Deliquescent in the open air. Its aqueous solution shows weak alkalinity and is stable at 70 but will be hydrolyzed into di-sodium phosphate when boiled . Usage: Applied in industries of detergents as detergent auxiliary, paper production to bleach and electroplating; In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver.