Sodium tripolyphosphate

1050 USD ($)/Metric Ton

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Product Details:

Structural Formula O=P(O)(O)OP(=O)(O)OP(=O)(O)O
Ingredients Sodium, phosphorus, oxygen
Melting Point 622C
Smell Odorless
CAS No 7758-29-4
Appearance White powder or granules
Molecular Formula Na5P3O10
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Sodium tripolyphosphate Price And Quantity

Minimum Order Quantity 1 Metric Ton
Price 1050 USD ($)/Metric Ton

Sodium tripolyphosphate Product Specifications

Appearance White powder or granules
Molecular Formula Na5P3O10
CAS No 7758-29-4
Melting Point 622C
Smell Odorless
Structural Formula O=P(O)(O)OP(=O)(O)OP(=O)(O)O
Ingredients Sodium, phosphorus, oxygen
Density 2.52 Gram per cubic centimeter(g/cm3)
Application Detergents, water treatment, ceramics, food additive (emulsifier & preservative), textile processing
Molecular Weight 367.86 g/mol
Physical Form Powder
Ph Level 9.2 10.0 (1% solution)
HS Code 28353100
Taste Alkaline
Shelf Life 2 years if properly stored
Product Type Chemical Compound
EINECS No 231-838-7
Solubility Soluble in water
Storage Keep in a cool, dry, and well-ventilated place, away from moisture and acids
Usage Used as water softener, dispersing agent, emulsifier, and preservative
Poisonous Non-poisonous
Grade Industrial Grade
Shape Crystalline powder or granule
Properties White, odorless crystalline powder; good solubility in water, excellent cleansing and dispersing properties, non-flammable, hygroscopic
Purity 94%

Product Description

white powder, apparent density:0.35-0.90g/ml, melting point: 622C, easily dissolving in water; water solution is alkaline (PH value of 1% solution is 9.7); can hydrolyze into phosphate in water, has good ability in complexing metal ions, can be used to soften water; has some surfactant properties.

STPP mainly used as syndet adjuvant, soap synergist and prevent bar soap from oiling off and blooming; has strong emulsification on lubricant and oils and fats, can be used to adjust the PH value of buffer soap solution; can be used as water softener for industrial water, pretanningagent and dyeing adjuvant; drilling mud dispersant; dispersant in preparing suspension in paint, kaolinite, magnesium oxide, calcium carbonate etc.; oil-proofing agent and antifoulant in paper industry.

Spec

Specifications	Superior quality	First-grade	Qualified products
Sodium Tripolyphosphate (as Na5P3O10) %	96	94	85
Phosphorus Pentoxide (as P2O5) %	57.0	57	55.0
Water insoluble matter %	0.10	0.10	0.15
Fe%	0.007	0.015	0.030
PH value	9.2--10.0
Whiteness %	90	80	70
Granularity (tail over through 1.00mm test sieve) %	5.0

Versatile Applications Across Industries

Sodium tripolyphosphate serves as a crucial ingredient in various sectors, including detergents, water treatment, ceramics, food processing, and textiles. Its unique properties-such as powerful cleansing, dispersing, and water-softening abilities-make it highly valued for both industrial and food-related uses, ensuring optimal performance in each application.

Key Properties and Safety

This product is a white crystalline powder with an alkaline pH (9.2-10.0 in 1% solution), solubility in water, and low solubility in other solvents. It is classified as non-hazardous and non-poisonous, and contains minimal heavy metals. Its non-flammable and odorless nature makes it particularly user-friendly and safe for routine handling.

Efficient Packaging and Storage

Sodium tripolyphosphate is supplied in 25kg woven bags with PE liners, preserving powder quality and preventing moisture exposure. For long-term storage, keep STPP in a cool, dry, and well-ventilated area, away from acids and moisture. Proper storage extends its shelf life up to two years, ensuring product stability and usability.

FAQ's of Sodium tripolyphosphate:

Q: How is Sodium tripolyphosphate commonly used in industry?

A: Sodium tripolyphosphate is primarily used as a water softener, dispersing agent, emulsifier, and preservative. Its exceptional cleansing and water-softening abilities make it a key ingredient in detergents, while its preserving and emulsifying qualities are valuable in food processing and ceramics manufacturing.

Q: What benefits does Sodium tripolyphosphate provide in detergents?

A: In detergents, STPP softens water to improve cleaning performance by preventing the formation of insoluble mineral salts. Its dispersing properties help suspend dirt, enhancing the overall effectiveness of cleaning products for both household and industrial use.

Q: Where should Sodium tripolyphosphate be stored to maintain its quality?

A: Sodium tripolyphosphate should be stored in a cool, dry, and well-ventilated area, away from sources of moisture and acids. Proper storage conditions help maintain its efficacy and extend its shelf life to up to two years.

Q: What is the recommended packing and typical bulk density of Sodium tripolyphosphate?

A: STPP is generally supplied in 25kg woven bags lined with polyethylene for moisture resistance. Its bulk density ranges from 0.7 to 1.0 g/cm3, facilitating efficient storage and handling for industrial applications.

Q: What safety and regulatory information should I be aware of regarding Sodium tripolyphosphate?

A: Sodium tripolyphosphate is not classified as hazardous, is non-poisonous, and is not regulated under UN hazardous substance guidelines. It is also free from heavy metals (10 ppm), making it safe for use in various applications where safety and purity are priorities.

Q: How does Sodium tripolyphosphate benefit food processing applications?

A: STPP acts as an effective emulsifier and preservative in food processing, helping to maintain texture and extend shelf life. Its ability to bind with water also increases the juiciness and firmness of processed foods, meeting regulatory purity standards and safety requirements.

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