Sodium Tripolyphosphate STPP E451 - Moisture Retaining Agent, Water Softener, and pH Adjuster for Food and Industrial Applications
Price:
Negotiable
MOQ:
500g, 1kg or 25kg for sample, 1000kg for commercial order
Delivery Time:
In 3 working days
Brand:
Zorui
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.
Product Gallery
Product Sample
Industrial Packaging
Chemical Structure
Quality Control Testing
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shanxi Zorui Biotechnology Co., Ltd.
Location
Huiquan Square F14, No.1450 SH Caohejing Hi-Tech Park, Datong, Shanxi, China
Contact Person
Julie