Sodium tripolyphosphate

Other Names: Sodium triphosphate, tripoly pentasodium triphosphate STPP ( Sodium Tripolyphosphate)

We produce STPP ( Sodium Tripolyphosphate)with three grades of Phase I and density as belows:
Phase I: A: 5-20%; B: 21-40%; C: >40%

Bulk Density: Light: 0.35-0.5g/cm3; Medium: 0.51-0.65g/cm3; Dense: 0.66-1.0g/cm3.

Synonymous Names: Sodium triphosphate, tripoly pentasodium triphosphate
Appearance: White powder or granules.
Formula: Na5P3O10
Boiling Point: 1000 C
Melting Point: 622 C
Specific Gravity: >1.5 (water = 1)
pH: 9.2 - 10.0 (1% solution)
Solubility in water: 150 g/l (25 deg C)

Packing: Plastic-lined woven bag, N. W. 25kg