Sodium Tripolyphosphate STPP

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TT or LC
Min Order Qty:
1 Metric Ton m.t.
Supply Capability:
3000 Metric Tons per Month m.t./month

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Detailed Product Description

Sodium Tripolyphosphate STPP:

1.White granular or powdery

2.Assay Na5P3O10 (%) >94.0%min

3. CAS NO: 7758-29-4

Product Description

Sodium Tripolyphosphate(STPP) 

Molecular formula: Na5P3O10 

Molecular Weight: 367.86 

Standard executed: GB/T9983-2004(technical grade) QB1034-91(food grade) 

CAS Number: 7758-29-4 


Used as one of the main auxiliaries for synthetic 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. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry. 

Guaranteed Technical Specifications: 

Specifications---------------------Industrial Grade 

AssayNa5P3O10 % -----------------------≥ 94.0 

P2O5 % --------------------------------≥ 57.0 

Sodium Pyrophosphate %-----------------≤ 3 

Sodium Sulphate ---------------------≤ 2.0 

Water Insoluble Matter %---------------≤ 0.1 

Iron(Fe) %-----------------------------≤ 0.01 

pH value(1%water solution)-------------9.2-10.0 

Heavy Metal (as Pb) %-------------------≤ - 

Arsenic (As) %--------------------------≤ - 

Fluoride (F) %--------------------------≤ - 

Particle Size 


(ASTM)Through 200 mesh sieve %---------≥ 75 

Through 100 mesh sieve %---------------≥ 90 

Whiteness %----------------------------≥ 100.0 

Density-------------------------------0.7-1.000 kg/lt 

Phase I -------------------------------10-30 

Packing and storage: 

In 25Kg, 50 Kg, 1000 Kg bage. Store at a cool, dry and well ventileated place.

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1. Manufacturer Overview

Location Shandong,China
Year Established 2001
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Main Markets North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, Domestic Market
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