Monosodium phosphate

Monosodium phosphate

Sodium dihydrogen phosphate; Monobasic sodium phosphate; Sodium phosphate monobasic; MSP

CAS 7558-80-7

Chemical Formula NaH₂PO₄

Molecular Weight 119.98 g/mol

Monosodium phosphate is a water-soluble compound commonly used in food processing, pharmaceuticals, and water treatment. It acts as a buffering agent, emulsifier, and stabilizer in various applications, and is also used in cleaning agents and as a nutrient source in agriculture.

Industrial Uses

1. Pharmaceuticals

  • pH Buffer in Formulations : MSP stabilizes the acidity or alkalinity of medications, ensuring that active ingredients remain effective and non-irritating when administered.
  • Ingredient in Saline Laxatives : Acts as an osmotic laxative, drawing water into the colon to relieve constipation and prepare the bowel for procedures like colonoscopies.
  • Component in Oral Rehydration Salts (ORS) : Included in electrolyte-replenishing solutions to restore fluid balance in dehydration due to diarrhea or excessive sweating.

2. Food & Healthcare Ingredients

  • Acidity Regulator : Controls pH in dairy products, soft drinks, and processed foods, enhancing shelf life and preventing spoilage.
  • Emulsifying and Stabilizing Agent : Helps blend fats and water in foods like processed cheese, sauces, and dressings to improve texture and uniformity.
  • Leavening Agent in Baking Powders : Reacts with baking soda to release carbon dioxide, helping dough rise and giving baked goods a fluffy texture.
  • Nutrient Fortifier : Serves as a source of dietary phosphorus, an essential nutrient for bone and cellular health, especially in fortified food products.

3. Water Treatment 

  • Corrosion Inhibitor : Forms a protective phosphate film on metal surfaces (like pipes and boilers), reducing corrosion and extending equipment life.
  • Scale Prevention : Helps sequester calcium and magnesium ions, preventing scale formation in boilers, cooling towers, and water heaters.
  •  pH Adjustment in Water Systems : MSP is used to fine-tune water pH, keeping it within safe levels for municipal and industrial water distribution systems.

4. Cleaning & Disinfectants

  • Water Softening Agent : Binds calcium and magnesium ions that cause water hardness, enhancing the foaming and cleaning power of soaps and detergents.
  • Alkalinity Builder : Provides buffering capacity to maintain an alkaline environment, improving the removal of grease, stains, and oils.
  • Stain Removal Agent : In specialty cleaning products, it assists in the dissolution of organic residues and stains, particularly in industrial applications.

5. Agrochemicals

  • Phosphorus Source in Fertilizers : Provides phosphorus, one of the primary macronutrients for plants, enhancing root development, flowering, and fruiting.
  • Buffer in Agrochemical Sprays : MSP helps maintain a stable pH in pesticide/fertilizer solutions, ensuring optimal absorption and reduced phytotoxicity.
  • Hydroponic Nutrient Component : Used in hydroponic nutrient formulations to deliver phosphorus without affecting pH balance too drastically.

6.  Animal Healthcare

  • Mineral Supplement for Livestock : Delivers bioavailable phosphorus essential for bone formation, energy metabolism, and reproductive health in animals.
  • Buffering Agent in Feed Premixes : Helps stabilize pH-sensitive vitamins and nutrients in complex feed formulations.
  • Growth and Performance Enhancer : Ensures optimal phosphorus intake, promoting weight gain, feed efficiency, and immune support in poultry and swine farming.

Specifications

Assay ≥ 98%
Appearance White crystalline powder or granules
Odor Odorless
Boiling Point Decomposes before boiling
Melting Point ~60°C (loss of water of crystallization)
Density ~2.04 g/cm³ (anhydrous)
Solubility Freely soluble in water; insoluble in alcohol
Viscosity Not applicable (solid at room temperature)
Flash Point Not flammable

Hazard Symbols

Irritants/Sensitisers/Other Hazards

FAQs

1. What is the current price of  Monosodium phosphate in India?
The price of Mono sodium phosphate can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91 22-43432121 for a customized quote tailored to your needs.

2. Where can I buy Monosodium phosphate in India?
You can purchase Monosodium phosphate 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 Monosodium phosphate?
Our minimum order quantity (MOQ) for Monosodium phosphate 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 Monosodium phosphate?
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