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  • Company Name : Xuzhou Zhongxu Construction Machinery Imp.& Exp. Co., Ltd.
  • Tel : 0086-516-80110222
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Tetra Sodium Pyrophosphate(TSPP)

Tetra Sodium Pyrophosphate(TSPP)
Product Detailed
White powder; Soluble in water but insoluble in ethanol

Tetra Sodium Pyrophosphate(TSPP)

By name:Tetra Sodium pyrophosphate

Molecular formula:Na4P2O7

Molecular Weight:265.9

Standard executed:HG/T2968-1999(Technical Grade)   GB8848-88(Food Grade)

CAS Number:7722-88-5

Properties:White powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm3and melting point 890°C; Deliquescent in the open air. Its aqueous solution shows weak alkalinity and is stable at 70 °C but will be hydrolyzed into di-sodium phosphate when boiled .

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.

Packing and storage:In 25kg,50kg,1000kg net bage, store at a cool, dry and well ventilated place.

Guaranteed Technical Specifications:

NO.

Specifications

Industrial Grade

Food Grade

 1

 Appearance

white powder or granular

 2

Assay (as Na4P2O7 )%        ≥

96.5

96.5~100.5

 3

P2O5 %                     ≥

51.5

51.5

 4

Ortho Phosphates

pass

pass

 5

PH value of 1% solution

9.9-10.7

9.9-10.7

 6

Water Insoluble matter %     ≤

0.2

0.2

 7

Fluoride (as F)               ≤

——

0.005

 8

Heavy Metals (as Pb) %      ≤

——

0.001

 9

Arsenic (As)%               ≤

——

0.0003

 10

L.O.I%                     ≤

——

0.50

Tetra Sodium Pyrophosphate(TSPP)



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