Tetrasodium Pyrophosphate (TSPP)

PT011  TETRASODIUM PYROPHOSPHATE (TSPP)

ANHYDROUS TECHNICAL GRADE

11.1 Identity:

Chemical name  :  Tetrasodium Diphosphate

Sodium Pyrophosphate

Molecular formula: Na₂H₂P₂O₇

Molecular weight: 265.9

CAS number: 

11.2  Physical and chemical properties:

Appearance: White powder

Bulk Density  : 0.7g/ml

11.3  Specification                          

Main content:             96.5%min              

P2O5:                   50.1%min

Insoluble:                0.2%max            

PH :                     9.9-10.7

      Orth-phosphate :           Pass test

      Loss on ignition:           0.5%max

(All figures are on w/w bases)

11.4           Applications:

Chelating agent for Cu in electroplating, a rust remover for machinery,an anxiliary for bleaching wool and fabrics, an Auxiliary in detergents, a dispersant and a emulsifier in production of chemicals, also used for water treatment