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CAS No.: 7722-88-5
Other Names: Tetra Sodium Pyrophosphate (TSPP)
MF: Na4P2O7
EINECS No.: 231-835-0
Place of Origin: China (Mainland)
Brand Name: VIDAR
Model Number:

Specifications

TSPP sodium pyrophosphate  

1: Top quality and SGS inspection
2: Near Port and prompt shipment
3: Competitive price and good service

 

Specifications

    Guaranteed

Typical

Appearance

White Powder

White powder

Main contents        %

≥96.5

96.67

P2O5               %

53.0-54.0

53.10

 PH of 1% water solution

9.9-10.7

10.2

 Water insoluble       %

≤0.2

0.06

Loss on Ignition       %

≤0.5

0.36

Fluoride,as F          %

≤0.005

<0.005

Arsenic,as As          %

≤0.0003

<0.0003

Heavy Metals,as Pb     %

≤0.001

<0.001

 

 

Properties:
White powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm3and 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:
 In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver.