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Sodium Tripolyphosphate STPP
Sodium Tripolyphosphate STPP
Supplier Info
[China Supplier]
Contact Person : Ms. Lee Lydia
Tel : 86-21-50813254
Fax : 86-21-68765485
Product Detail
Sodium Tripolyphosphate Other Trade Name STPP Molecular Weight: 368 Chemical Formula: Na5P3O10 Hazard Classification: N.A

Sodium Tripolyphosphate  Other Trade Name STPPMolecular Weight: 368Chemical Formula: Na5P3O10 Hazard Classification: N.A.

Product Description: White, free-flowing

CAS NO 7758-29-4

Packing: Plastic woven bag inner with plastic bag in 25kg net.

This is Industrial Specification: 

ITEMUNIT

STANDARD

Purity(Na5P3O10)

% MIN          90

Total Phosphorus (P2O5)

% MIN

56.5

Insoluble matter in water (%)

% MAX

0.10

Iron (Fe)

% MAX

0.015

PH Value (1% Solution)

%

9.2-10.0

Whiteness

%MIN

85

Apparent Density

g/ml

0.35-0.99

This is  Food Grade Specification: 

ITEMUNIT

STANDARD

Purity(Na5P3O10)

% MIN          95

Total Phosphorus (P2O5)

% MIN

57.0

Fluoride (as F)

% MAX

0.003

Arsenic (As)

% MAX

0.0003

Heavy Metal (as Pb)

% MAX

0.001

Chloride (as Cl)

% MAX

0.025

Sulfate (as SO4)

% MAX

0.4

Insoluble matter in water (%)

% MAX

0.05

PH Value (1% Solution)

%

9.5-10.0

Whiteness

%MIN

85

Stack Density

g/ml

0.52

Sodium Tripolyphosphate STPP

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