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SODIUM TRIPOLY PHOSPHATE (STPP)
Molecular formula: : Na5 P3O10
Molecular Weight: 367.86
Properties: White powder.
CAS No.: 7758-29-4
Uses: Mainly u sed for producing synthetic detergent as stnergist for soap,in ceramic industry. Used as food additive i n foodstuff industry.
Packing: In 25Kg or 50 Kg or 1000 Kg net WPP/PE bags.
Technical Specifications :
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Indexes
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Industrial Grade
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Food Grade
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Assay Na 5 P 3 O 10 % 
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94.0
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94.0
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P 2 O 5 % 
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57.0
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57.0
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Water Insoluble Matter %
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0.15
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0.05
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Iron(Fe) %
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0.01
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0.01
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PH value (1% water solution)
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9.2-10.0
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9.5-10.0
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Heavy Metal (as Pb) %
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0.001
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Arsenic (As) %
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0.0003
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Fluoride (F) %
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0.003
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Size(Residue on 1.00mm sieve) %
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5
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5
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Whiteness %
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90
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90
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供应三聚磷酸钠 （STPP）