Sodium Tripolyphosphate(STPP)

Product Name: Sodium Tripolyphosphate(STPP)

CAS No.: 7758-29-4

Molecular Formula: Na5O10P3

Character: white granules or powder

Package: 25kg/bag

Product Standard: Tech grade/Food grade

Usage: It is used in meat processing, synthetic detergent formula, textile dyeing, dispersant, cosolvent, soap synergist, water softener, etc

Storage: Keep the container closed. Store in dry, cool and well ventilated place

 

Specification:

Items	Tech Specifications	Food Specifications
Character	——	White powder
Assay Na5P3O10	90.0-96.0%	≥94.0%
P2O5	56.0-58.0%	56.0%~58.0％
Water insoluble matter	≤0.1%	≤0.1
F	——	≤20.0 mg/kg
Pb	——	≤2.0 mg/kg
As	——	≤3.0 mg/kg
Heavy metal	——	≤10 mg/kg
Iron(Fe)	≤0.015%	——
Ph value (1% water solution)	9.2-10.0	9.1 ∽10.1
Whiteness	≥90%	≥85
Phase I	10-30	——
Density	0.8-1.0	——
Loss on ignition	≤1.0%	——
Size  100mesh passed	≥80%	——