Chemical Name: Sodium Tripolyphosphate， Pentasodium Triphosphate
Molecular Formula:Na₅P₃O₁₀
Molecular Weight: 367.86
CAS No.: 7758-29-4
Properties
STPP (Sodium Tripolyphosphate) is a versatile and highly functional inorganic salt. Appearance is white granules or powder.Its core value lies in its excellent capabilities for chelation, dispersion, buffering, and ion exchange.
Application
Detergent Industry
Food Industry
Industrial & Water Treatment
Packing
25kg/bag
Storage
Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and handle carefully.
| ITEM | INDEX |
|
Sodium Tripolyphosphate (Na₅P₃O₁₀) Content, ω/% |
≥ 85.0 |
|
Total Phosphate (as P₂O₅) Content, ω/% |
56.0 - 58.0 |
|
Water-Insoluble Matter, ω/% |
≤ 0.1 |
|
Fluoride (as F), mg/kg |
≤ 20.0 |
|
Arsenic (As), mg/kg |
≤ 3.0 |
|
Heavy Metals (as Pb), mg/kg |
≤ 10 |
|
Lead (Pb), mg/kg |
≤ 2.0 |
|
pH Value (10g/L Aqueous Solution) |
9.1 - 10.1 |
Pigments
Accelerators
Rubber Antioxidants
Light Stabilizers
Foaming Agents
Plastic Antioxidants
Lubricants
Cellulose Ethers
PVC Heat Stabilizers
Surfactants
Chelating Agents
Optical Brighteners
PVC Processing Aids
Fillers
Coating Additives
Styrene-Acrylic Emulsion
Water-based Coatings 
Building Materials 
Shoe Materials
Plastics
Rubber
Water Treatment
Ultra-light Clay
Daily Chemicals
Oilfield and Lubricant 
Food