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Specifications

Sodium Tripolyphosphate  (STPP)
Formula: Na5P3O10
CAS NO.: 7758-29-4
Items
STPP tech grade
Appearance
White free flowing powder
Assay
94% min.
P205
57% min.
Fe
0.015% max
Water insoluble matter
0.1% max.
PH of 1% water solution
9.2~10.0
whiteness
85% min.
 
Packing: 25 of 50KG/PP bags, 24MT/20 FCL.
 
STPP should be keeped in cool, good ventilating warehouse, avoid damp rain or sunshine in transit, keep warm in cold area in winter, handling with care during loading and discharge.
  
STPP is used as detergent, used in petroleum, metallurgy, mine, water treatment,  the water keeping agent.