SODIUM TRIPOLYPHOSPHATE  

 

 

SYNONYM: PENTASODIUM TRIPHOSPHATE; PENTASODIUM TRIPOLYPHOSPHATE; SODIUM PHOSPHATE TRIPOLY; SODIUM TRIPHOSPHATE; SODIUM TRIPOLYPHOSPHATE; STPP; TRIPHOSPHORIC ACID, PENTASODIUM SALT;  

 

 

FORMULAR: NA5O10P3  

 

 

M. W.: 367.86413  

 

 

CAS NO.: 7758-29-4  

 

 

H.S. NO.: 2835.3100  

 

 

DESCRIPTION: WHITE POWDER; MELTING POINT 622°C; EASILY SOLUBLE IN WATER; IT HAS GOT SALIENT CHELATING CAPACITY TO IONS OF CA AND MG ETC. AND CAN SOFTEN HARD WATER TO MAKE SUSPENSION SOLUTION BECOME INTO CLEAR SOLUTION; IT HAS GOT WEAK ALKALINITY BUT NO CORROSIVENESS. IT IS A SURFACTANT, AND HAS GOT OUTSTANDING EMULSIFICATION TO LUBRICANTS AND FAT. IT HAS DIFFERENT BULK DENSITY, I.E. LOW DENSITY 0.35-0.5G/CM3, MEDIUM DENSITY 0.51-0.65G/CM3 AND HIGH DENSITY 0.66-0.9G/CM3. THIS PRODUCT HAS TWO CRYSTALLINE FORMS, NAMELY TYPE I (HIGH TEMPERATURE TYPE) AND TYPE II (LOW TEMPERATURE TYPE). THE CHEMICAL PROPERTIES OF THE TWO TYPES ARE THE SAME, AND THE DIFFERENCE BETWEEN THEM LIES IN THE THERMOSTABILITY, HYGROSCOPICITY, SOLUBILITY AND HYDRATION HEAT WHEN DISSOLVING .  

 

 

GRADE: TECH GRADE  

 

 

SPECIFICATIONS:  

 

ASSAY NA5P3O10  

94% MIN  

P2O5  

57.0% MIN  

WATER INSOLUBLE MATTER  

0.15% MAX  

IRON (FE)  

0.01% MAX  

PH VALUE (1% WATER SOLUTION)  

9.2-10.0  

PARTICLE SIZE
THROUGH 16 MESH SIEVE
THROUGH 35 MESH SIEVE
TROUGH 100 MESH SIEVE  

 

95%  

90%  

40%  

WHITENESS  

90 MAX  

 

 

USES: 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.  

 

 

PACKING:   IN 25KG NET PLASTIC WOVEN BAG; 22MT/1X20’FCL  

 

 

STORAGE: IT MUST BE PREVENTED FROM DAMPNESS AND WATER. DON'T STORE IT IN THE OPEN AIR.