SODIUM TRIPOLYPHOSPHATE

Item No.: 00111
Sodium tripolyphosphate has the functions of chelation, suspension, dispersion, gelling, emulsification and pH buffer. It can be used as main additives for synthetic detergent, industrial water softening agent, tanning pretanning agent, dyeing additives,
  • TYPE:
    PHOSPHATES
  • CAS:
    7758-29-4
  • EINECS:
    231-838-7
  • HS CODE:
    28353110
Description Specification Applications
Description
PRODUCTS INFORMATION
Sodium tripolyphosphate has the functions of chelation, suspension, dispersion, gelling, emulsification and pH buffer.
BASIC INFORMATION AND CHEMICAL PROPERTIES
Form Powder/Solid
MF Na5O10P3
MW 367.86
Melting point 622 °C
Density 2.52 g/cm3 (20°C)
Solubility  Soluble in water
Storage temp. Normal 
   
Specification
ITEM STANDARD
Appearance White granular
Assay (Na5P3O10) ≥95
P2O5 ≥57.0
Fluoride (PPM) ≤10
Cadmium (PPM) ≤1
Lead (PPM) ≤4
Mercury (PPM) ≤1
Arsenic (PPM) ≤3
Heavy metal (As Pb) (PPM) ≤10
Chlorides (As CL) ≤0.025%
Sulphates (SO42-) ≤0.4%
Substances not dissolved in water ≤0.05%
PH 9.5%-10.0%
Loss on drying ≤0.7%
Hexahydrate ≤23.5%
Water-insoluble substances ≤0.1%
Higher polyphosphates ≤1%
Applications

It can be used as main additives for synthetic detergent, industrial water softening agent, tanning pretanning agent, dyeing additives, organic synthesis catalyst, dispersant for pharmaceutical industry and food additives. In addition to exporting STPP, domestic STPP consumption is mainly concentrated in detergent industry, food, ceramics, etc.
Sodium tripolyphosphate is used for meat processing, synthetic detergent formulations, textile dyeing, also used as dispersing agent, solvent etc. It is used as soft water, also used in confectionery industry.

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