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NAME:Sodium Tripolyphosphate , STPP

H.S.Code:28353190.00

CAS Code:7758-29-4 

MOLECULAR FORMULA:Na5P3O10

MOLECULAR WEIGHT:367.86

EXECUTIVE STANDARD:GB25566-2010

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Sodium Tripolyphosphate , STPP

H.S. Code:28353190.00

CAS Code:7758-29-4 

APPEARANCE:white powder ,white granular

MOLECULAR FORMULA: Na5P3O10



Application:Industrial grade: Used in detergent, synergist for soap; water softener; tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production.

Package:Packaged in 25/40/500/1000kg PP Woven sacks with plastic liners.or as per customer’s request.

Chemical properties:It is white powder or white granular;its apparent density is 0.35-0.90 g/cm3. 1% aqueous solution’s PH is 9.7; Melting point is 622°C;It has salient chelating capacity to ions of Ca, Mg etc; It can soften the hard water to make suspension become into the clear solution; it has weak alkalinity but no corrosiveness. It is a surfactant which has outstanding emulsification for lubricants and fat



ITEM

Index

SUPERIOR

FIRST CLASS

QUALIFIED

(Na5P3O10) %≥

96

90

85

(P2O5) %≥

57

56.5

55

Insolubles ≤

0.1

0.1

0.15

(Fe) %≤

0.007

0.015

0.3

 PH %

9.2-10.0

 Whiteness≥

90

80

70

Granularity ≤

5

 

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