Sodium hexametaphosphate

Sodium hexametaphosphate

SHMP; Graham's Salt; Sodium polymetaphosphate

CAS 68915-31-1

Chemical Formula (NaPO₃)₆

Molecular Weight ~611.77 g/mol

Sodium hexametaphosphate is a multifunctional industrial chemical commonly used as a sequestrant, dispersing agent, and water softener. It is widely utilized in industries such as food processing, water treatment, detergents, ceramics, and textiles to improve product stability, prevent scale formation, and enhance cleaning or processing efficiency.

Industrial Uses

1. Water Treatment

  • Sequestrant: SHMP binds calcium (Ca²⁺), magnesium (Mg²⁺), and iron ions in water, preventing the formation of scale deposits like calcium carbonate or magnesium hydroxide on pipes, boilers, and cooling systems. This prolongs equipment life and improves efficiency.
  • Dispersant: It keeps suspended particles such as clay, silt, and organic matter dispersed and prevents them from settling, resulting in clearer water and more efficient filtration.
  • Corrosion Inhibitor: SHMP can form a thin protective layer on metal surfaces, reducing corrosion caused by aggressive water chemistry, especially in closed-loop systems.

2. Food & Healthcare 

  • Emulsifier and Stabilizer: In processed foods like cheese, meats, and seafood, SHMP improves texture by binding proteins and retaining moisture, which enhances mouthfeel and shelf life.
  • Chelating Agent: It binds trace metals such as iron and copper that catalyze oxidation reactions, preventing discoloration and spoilage, especially in canned and frozen foods.
  • Anti-caking Agent: SHMP prevents clumping in powdered food products, ensuring free flow and ease of handling in production and packaging.

3. Cleaning &  Disinfectants

  • Builder: SHMP softens water by sequestering hardness ions, which boosts the performance of surfactants in detergents, making them more effective in removing dirt and grease.
  • Dispersant: It keeps dirt and particulate matter suspended in the wash water, preventing redeposition on fabrics or surfaces, resulting in cleaner outcomes.

4. Fabric Solutions

  • Dispersant: SHMP improves the dispersion of fine particles in ceramic slip formulations and textile dyes, ensuring uniformity and preventing defects in the final products.
  • Water Retention: In ceramics and textile processing, it helps retain moisture during shaping and drying, enhancing product quality and reducing cracking or deformation.

5. Energy

  • Scale Inhibitor: In drilling fluids and production systems, SHMP helps prevent the precipitation of mineral scales that can clog pipes and reduce flow efficiency. This protects equipment and reduces maintenance costs.

Specifications

Assay ≥ 68%
Appearance White crystalline powder or granules
Odor Odorless
Boiling Point Not applicable (decomposes)
Melting Point ~628 °C (with decomposition)
Density ~2.484 g/cm³ (at 20°C)
Solubility Soluble in water; insoluble in alcohol
Viscosity Low; increases in concentrated solutions
Flash Point Not applicable (non-flammable)

Hazard Symbols

Irritants/Sensitisers/Other Hazards

FAQs

1. What is the current price of Sodium hexametaphosphate in India?
The price Sodium hexametaphosphate can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.979 979 2121 directly for a customized quote tailored to your needs.

2. Where can I buy Sodium hexametaphosphatein India?
You can purchase Sodium hexametaphosphate from MULTICHEM, a leading importer with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across India. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for Sodium hexametaphosphate?
Our minimum order quantity (MOQ) Sodium hexametaphosphate ,is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of Sodium hexametaphosphate supplied by Multichem ?                      
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.