Sodium tripolyphosphate STPP, the main synthetic detergent additives

Manufacturers (Origin) 
 Guizhou 
 Use level 
 Industrial 
 Content 
 90 (%) 
 Granularity 
 80 (mesh) 
 CAS Number 
 7758-29-4 
 Implementation of quality standards 
 GB 9983-88 
 Brand 
 STPP-RZ 







 STPP (sodium phosphate five) 

 Guangzhou Supply: Sodium tripolyphosphate 

 Chemical formula: Na5P3P10 

 Molecular Weight: 367.88 

 Properties: White powder, soluble in water. 

 Specifications: 

 No. 

 Name of index 

 Industrial 

 Food-grade 

 1 

 Main content (Na5P3O10 dollars)% ≥ 

 90.0 

 90.0 

 2 

 Phosphorus pentoxide (as P2O5)% ≤ 

 57.0 

 57.0 

 3 

 Iron (Fe)% ≤ 

 0.015 

 0.01 

 4 

 Water insoluble% ≤ 

 0.1 

 0.1 

 5 

 Chloride (as Cl)% ≤ 



 0.5 

 6 

 Arsenic (As)% ≤ 



 0.0003 

 7 

 PH (1% aqueous solution) 

 9.2-10.0 

 9.5-9.9 

 Purpose: The main synthetic detergent additives, soap and efficiency and to prevent crystallization of the soap from the cream, as water softener industry, leather tanning, dyeing auxiliaries; paint, kaolin, magnesium oxide, calcium carbonate slurry handling effective dispersant; wells dug clay control agents, paper with oil to prevent agents, organic synthesis catalyst; also used in refining petroleum products, rubber whey storage, metal industry and pharmaceutical industry as a dispersing agent, agents can be dissolved; in the synthesis rubber, equipment and poultry processing industry is also