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Sodium Tripolyphosphate STPP E451 - Moisture Retaining Agent, Water Softener, and pH Adjuster for Food and Industrial Applications
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Sodium Tripolyphosphate STPP E451 - Moisture Retaining Agent, Water Softener, and pH Adjuster for Food and Industrial Applications
| MOQ: | 500g, 1kg or 25kg for sample, 1000kg for commercial order |
| Standard Packaging: | Net Weight 25kg or 200kg/package |
| Delivery Period: | In 3 working days |
| Payment Method: | T/T, LC, OA |
| Supply Capacity: | 3000 Tons/month |
Detail Information
Place of Origin
Shanxi, China
Brand Name
Zorui
Certification
ISO, COA, MSDS, TDS, AAA
Name:
Sodium Tripolyphosphate (STPP)
Alias:
Pentasodium Tripolyphosphate, Sodium Triphosphate, Pentasodium Phosphate.
Chemical Formula:
Na5P3O10
Molecular Weight:
367.864
CAS No.:
7758-29-4
EINECS:
231-838-7
Melting Point:
622 ℃
Solubility:
Soluble In Water
Density:
2.52 G/cm³
Appearance:
White Crystalline Powder
Sample:
Available
Port:
Tianjin,Shanghai,Qingdao,Other Ports In China
Port:
Tianjin, Shanghai, Qingdao, Other Ports In China
Trade Term:
EXW, DAP, FOB, CFR, CIF, CPT, CIP
Shipping:
Sample By Express, 100kg+ By Air, 1000kg+ By Sea
Highlight:
Moisture Retaining Agent Sodium Tripolyphosphate
,Quality Improver STPP
,Metal Chelating Agent E451
Product Description
Sodium Tripolyphosphate (STPP) E451 CAS 7758-29-4
Sodium Tripolyphosphate (STPP), an inorganic compound with the chemical formula Na₅P₃O₁₀, is an amorphous water-soluble linear polyphosphate. It is widely used in foodstuffs as a moisture retaining agent, quality improver, pH regulator, and metal chelating agent.
Key Benefits
- Moisture Retaining Agent
- Quality Improver
- pH Regulator
- Metal Chelating Agent
Target Industries: Food Industry
Typical Applications: Food processing and preservation
Typical Applications: Food processing and preservation
Technical Specifications
| Name | Sodium tripolyphosphate (STPP) |
| Alias | Pentasodium Tripolyphosphate, Sodium Triphosphate, Pentasodium Phosphate |
| Chemical Formula | Na₅P₃O₁₀ |
| Molecular Weight | 367.864 |
| CAS No. | 7758-29-4 |
| EINECS | 231-838-7 |
| Melting Point | 622 ℃ |
| Solubility | Soluble in water |
| Density | 2.52 g/cm³ |
| Appearance | White crystalline powder |
Product Functions
- Water Softener: Effectively binds calcium and magnesium ions, preventing hard water problems
- Emulsifying Agent: Enhances texture and stability in food products
- Preservative: Maintains freshness and quality by inhibiting microbial growth
- pH Adjuster: Contributes to maintaining optimal pH levels in formulations
Application Areas
- Food Industry: Used in meat, fish, and dairy products to improve texture, moisture retention, and shelf life
- Detergents and Cleaning Products: Utilized for water softening and emulsifying properties
- Cosmetics: Employed as stabilizer and emulsifier in personal care products
- Agriculture: Enhances nutrient delivery and effectiveness in agricultural products
Manufacturing Process
- Raw Material Sourcing: Produced from sodium phosphate and phosphoric acid reaction
- Condensation Reaction: Phosphates condense to yield STPP in dry powder form
- Purification: Removal of impurities to ensure high quality
- Quality Control: Rigorous testing for safety, quality, and regulatory compliance
Why Choose Our STPP
- High Quality: Manufactured under strict quality control for optimal efficacy and safety
- Technical Expertise: Knowledgeable team providing formulation support and technical assistance
- Competitive Pricing: Attractive pricing for both bulk orders and specialty formulations
- Sustainability: Committed to responsible sourcing and environmentally friendly manufacturing
Frequently Asked Questions
What is Sodium Tripolyphosphate used for?
STPP is primarily used as a food additive, water softener, and emulsifier in various industrial and household products.
Is STPP safe for use in food products?
Yes, Sodium Tripolyphosphate is generally recognized as safe for use in food products within established guidelines.
How should STPP be stored?
Store in a cool, dry place away from moisture to maintain product quality.
What is the shelf life of Sodium Tripolyphosphate?
Typically, STPP has a shelf life of 2 to 3 years when stored properly.
Can I request samples for testing?
Yes, samples are available upon request. Please contact us for more information.
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