Sodium&Nbsp; Tripolyphosphate (STPP) Food Grade

• Customization: Available
• CAS No.: 7758-29-4
• Usage: Water Treatment Chemicals, Paper Chemicals
• Model NO.: STPP Food Grade
• Color: White
• Molecular Formula: Na5p3o10
• CAS Number: 7758-29-4
• Molecular Weight: 367.86
• pH Value: 9.2-10.3
• Whiteness: 85 Min
• Transport Package: 25kg/Paper Bag or 1000kg/Supersack
• Specification: STPP Food Grade
• Trademark: Deborn
• Origin: China
• HS Code: 2835311000

Product Description

Synonym: Pent-sodium Phosphate
Molecular formula: Na₅P₃O₁₀
Molecular Weight: 367.86
CAS Number: 7758-29-4 
Technical index:

Testing Items	STPP Food Grade
Appearance	White Powder or granules
Content (Na5P3O10)%	95.0 min
P2O5 %	57.0 min
Fluoride (F) %	0.003 max
Arsenic (As)%	0.0003 max
Heavy Metal (Pb)%	0.001 max
Chloride (Cl)%	0.025 max
Sulfate (SO42-) %	0.4 max
Water Insoluble %	0.05 max
pH Value	9.5-10
Whiteness	85 min

 
Application:
It can be used as moisture conservative. Applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
Package:
25kg/paper bag or 1000kg/supersack.

In food processing, STPP acts as a multifunctional additive:

Quality Improver: Enhances texture and moisture retention in meat products (e.g., ham, canned meats), prevents protein denaturation during cooking, and softens legumes (e.g., canned beans)
Preservative: Inhibits microbial growth and oxidation, extending shelf life in dairy products, juices, and canned goods
Emulsifier and Stabilizer: Maintains homogeneity in processed foods like cheese, beverages, and sauces

Safety: Approved for food use (e.g., E451) within regulated limits, though environmental persistence necessitates controlled disposal