Shifang Tianrui Chemical Co.,Ltd.

Tetrasodium Pyrophosphate

• Category :

  Food and Feed additives/Food additives

• Synonyms :

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

• CAS NO :

  7722-88-5

• EC NO :

  231-767-1

• Molecular Formula :

  Na₄P₂O₇

• Molecular Weight :

  265.9

• Main Specifications :

  white powder, main content: 96.50%min

• 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 :

  packed in plastic woven bag with PE lining, 25kgs/bag

• Product description :

  Chemical formula: Na₄P₂O₇
  Molecular weight: 265.9
  CAS NO.: 7722-88-5
  Ref. Standard: HG/T2968-1999(Industrial grade);HG2923-1999(Food grade)
  production capacity:5000 t/a
  Properties: White powder, easily soluble in water, relative density is 2.45, melting point is 890℃, its water solution is alkaline, pH value of 1% water solution is 9.9-10.7.
  Technical Specifications:

  No.	Index	Industrial grade	Food grade
  1	Main content  %≥	96.5	96.5
  2	P2O5 %≥	51.5	51.5
  3	Phosphate	Qualified	Qualified
  4	pH of 1% water solution	9.9-10.7	9.9-10.7
  5	Water insoluble %≤	0.2	0.2
  6	Heavy metal, as Pb  %≤	-	0.001
  7	Arsenic, as As   %≤	-	0.0003
  8	Fluoride, as F  %≤	-	0.005
  9	Sieve test(Through 60 mesh) %≥	90	90

  Application: Mainly used as detergent in washing, bleach in paper-making, electroplating, etc. For food grade it is mainly used as food additive. Buffering agent, emulsification agent, and nourishment, and modifying agent, etc.
  

• Uses :

  Mainly used as detergent in washing, bleach in paper-making, electroplating, etc. For food grade it is mainly used as food additive. Buffering agent, emulsification agent, and nourishment, and modifying agent, etc.

• Molecular Structure :