Sichuan YouRen Chemical and Building Material Corporation

TSPP

• Category :

  Inorganic chemicals

• Synonyms :

  Sodium pyrophosphate;Tetrasodium pyrophosphate;TSPP;Tetra Sodium Pyrophosphate;Tetrasodium Diphosohate;

• CAS NO :

  7722-88-5（Anhydrous） 13472-36-1(10H20)

• EC NO :

  231-767-1

• Molecular Formula :

  Na₄P₂O₇

• Molecular Weight :

  265.9

• Main Specifications :

• InChI :

  InChI=1/4Na.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,6)/q4*+1;/p-4

• Packing :

  In double layer bags of 25Kg net. It must be stored in places well ventilated and dry.

• Product description :

  Category :	phosphate
  Product name :	Tetra Sodium Pyrophosphate(TSPP)
  Description :	Tetra Sodium Pyrophosphate(TSPP)  Byname: Tetra Sodium pyrophosphate Molecular formula: Na4P2O7 Molecular Weight: 265.9 Standard executed: HG/T2968-1999(Technical Grade)                                         GB8848-88(Food Grade) Properties: White powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm3 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 . Guaranteed Technical Specifications: NO Specifications Industrial Grade Food Grade 1 Assay (as Na4P2O7 )%≥ 96.5 96.5 2 P2O5 %≥ 51.5 51.5 3 Ortho Phosphates pass pass 4 PH Value 9.9-10.7 9.9-10.7 5 Water Insoluble matter % ≤ 0.2 0.2 6 Size (through 60mesh sieve) 90 90 7 Fluoride (as F) ≤   0.005 8 Heavy Metals (as Pb) % ≤   0.001 9 Arsenic (As)% ≤   0.0003 10 L.O.I. % ≤   0.5

• 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.

• Molecular Structure :