TSPP

Byname: Tetra Sodium pyrophosphate Molecular formula: Na4P2O7 Molecular Weight: 265.9 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 . Uses: 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. Packing and storage: In double layer bags of 25Kg net. It must be stored in places well ventilated and dry. Guaranteed Technical Specifications: Specifications Industrial Grade Food Grade Assay (as Na4P2O7 )%≥ 96.5 96.5 P2O5 %≥ 51.5 51.5 Ortho Phosphates pass pass PH Value 9.9-10.7 9.9-10.7 Water Insoluble matter % ≤ 0.2 0.2 Size (through 60mesh sieve) 90 90 Fluoride (as F) ≤ 0.005 Heavy Metals (as Pb) % ≤ 0.001 Arsenic (As)% ≤ 0.0003 L.O.I. % ≤ 0.5