Sodium tripolyphosphate (STPP, sometimes STP or sodium triphosphate or TPP ) with formula Na5P3O10, is a of .
Sodium tripolyphosphate (STPP, sometimes STP or sodium triphosphate or TPP ) with formula Na5P3O10, is a of . It is the sodium of .
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 suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production.
Name: | Sodium Tripolyhosphate(STPP) |
CAS No.: | 7758-29-4 |
Chemical Formula: | Na5P3O10 |
Specification: | GB/T9983-2004 |
Packing: | 25kg bags |
Functional use: | Auxiliaries for synthetic detergent ;water softener; tanning agent. |
Specifications
Items | Specification(GB/T9983-2004) |
CONTENT | 94% MIN. |
P2O5 CONTENT | 57%MIN. |
WHITENESS | 88%MIN. |
INSOLUBLE MATTER | 0.1%MAX. |
FE | 70PPM MAX. |
SIZE: RESIDUE ON 1.00 TEST SIEVE | 5.0%MAX. |
LOSS ON IGNITION (500) | 1% MAX. |
PH VALUE (1% SOLUTION) | 9.2-10.0 |
BULK DENSITY (g/cm3) | 0.65-0.99 |
PHASE | 10-30% |
