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Tetrasodium pyrophosphate

Molecular Formula:  Na4P2O7; Na4P2O7.10H2O
Molecular Weight: 265.90; 446.10
CAS NO.: 7722-88-5(Anhydrous);13472-36-1(Decahydrate)
Standard executed: HG/T 2968-2009 
Appearance: white powder or crystal
Application: Used in detergent, fine bleaching auxiliaries, water treatment agents and electroplating auxiliaries.
Packing: 25kg, 50kg bag; Container ton bag; Customer requirements.
Technical indicator: HG/T 2968-2009

Specification

Item

Industrial grade

Na4P2O7

Na4P2O7.10H2O

Main content,w/% ≥

96.5

98.0

Water insoluble matter,w/% ≤

0.15

0.10

PH (10g/ml solution)

9.9-10.7

Orthophosphate

Passing test



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