Detail

Sodium Tripoly Phosphate(STPP)

 

 

Molecular Formula:Na5P3O10
Molecular Weight:367.86
Properties:White crystal(melting point:622℃),hygroscopic and soluble in water that makes an alkaline solution and have capacity of complexing metal ions,such as,Ca2+,Mg2+,Fe2+,Fe3+,etc and effect of colloidization,emusification dispersion and buffering. 
CAS No:7758-29-4
Technical Specification:

 


Specifcation
Value
Excellent
Grade 1
（Na5P3O10） %≥
94
90
（P2O5）%≥
57.0
56.5
Water-insoluble matter %≤
0.10
0.10

Iron（Fe）%≤
0.007
0.015
PH Value(1% Solution) 
9.2-10.0
White degree %≥
90
80
The overscreen(with 100mm testing screeen) %≤
5.0
Density Gg/ml

0.35-1.2
Content of phase I %
5-50


Special requirements may be met through negotiation
Application:Powerful builder for all types of detergent powders&liquids.Industrial&institutional cleaners,Water treatment,Dispersant for tile,paints,paper and cement manufacturing.
Packing:in 25kg,50kg,1000kg bags.


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