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Quick Details

  • Classification: Phosphate
  • Type: Sodium Tripolyphosphate
  • CAS No.: 13573-18-7
  • Other Names: Good Quality STPP / SHMP for detergent
  • MF: Na5O10P3
  • EINECS No.: 237-004-9
  • Place of Origin: Henan, China (Mainland)
  • Grade Standard: Agriculture Grade, Electron Grade, Industrial Grade, Medicine Grade, Reagent Grade, Good Quality STPP / SHMP for detergent
  • Purity: 94%Min
  • Appearance: white crystal
  • Application: detergent
  • Brand Name: TFCHEM
  • Model Number: MFCD001289
  • Name: STPP

Packaging & Delivery

Packaging Details: 25kg woven bags or 1000kg woven bagsGood Quality STPP / SHMP for detergent
Delivery Detail: 15days after getting prepayment or workable L/C.

STPP 

 

Basic information of STPP

Chemical formula: Na5P3O10
Molecular weight: 367.86
Properties: White powder, surface density: 0.35-0.9g/cm3, melting point: 622º C, free soluble in water, aqueous solution appears acid. It is a kind of inorganic surface active agent.

Application of STPP:

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 suspensions 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.

 

Specification of STPP

IndexesIndustrial GradeFood Grade
 Na5P3O1094.0%Min94.0%Min
P2 O 557.0%Min57.0%Min
Water Insoluble Matter  0.15%Max0.04%Max
Iron(Fe)0.015%Max0.006%Max
PH value (1% water solution)9.2-10.09.5-10.0
Heavy Metal (as Pb) 0.001%Max
Arsenic (As)   0.0003%Max
Fluoride (F) 0.003%Max
Whiteness92%Min92%Min
Ignition loss1.0/
density (g/cm 3 )0.35-0.90.35-0.9
Phase I10-3010-30
 
Pictures of STPP
 
 
 
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