... delivery 4. Nicest price &Good service Sodium Tripolyphosphate (STPP)CAS No. 7758-29-4 Other Names: Sodium ... Grade Standard: Industrial Grade,Purity: 94% Appearance: White Powder or Granular Application: Detergent, cleaning industry, textile, leather ... woven bag. Can be palletized. Property: White powder, Surfact density: 0.35-0.9g/cm3, Melting ... hibiter. 2012 Hot Sale Sodium Tripolyphosphate-STPP 94%