Introduction

Sodium Molybdate, also known as Disodium molybdate and Molybdic acid, disodium salt, is a widely used chemical compound known for its versatility and efficiency in various applications. Identified by CAS numbers 7631-95-0, 106463-33-6, and 14666-91-2, this compound plays a vital role in industries ranging from water treatment to catalyst production.

Chemical Profile

Molecular Formula: MoNa2O4

Molar Mass: 205.92 g/mol

Density: 3.78 g/mL at 25°C (lit.)

Melting Point: 687°C (lit.)

Solubility: Highly soluble in water, making it suitable for aqueous applications.

Appearance: White crystalline powder.

Storage and Handling

Conditions:

      Store in a cool, dry, and ventilated area, away from moisture, sunlight, and rain.

Precautions:

      Ensure the container is tightly sealed to maintain stability and effectiveness.

Applications

Preparation of Molybdenum Salts：

      Sodium Molybdate is a key precursor in the synthesis of various molybdenum salts, dyes,          and pigments, essential for industrial and commercial uses.

Catalysts and Corrosion Inhibitors：

      Used as a catalyst in chemical reactions, enhancing efficiency and productivity.

      Serves as a corrosion inhibitor in water treatment processes, often combined with                      polyphosphates, gluconates, zinc salts, and benzotriazole to improve performance.

Water Treatment Agent：

       Recognized for its low toxicity and minimal environmental impact.

       Ideal for preventing corrosion in circulating water systems, particularly those exposed to           high thermal stress.

Industrial Applications：

       Exhibits high thermal stability, making it valuable in applications involving high heat flux         and localized overheating.

       Plays a role in maintaining system integrity in industrial cooling systems.

Safety Considerations

Toxicity:

       While considered low-toxicity, prolonged exposure can lead to molybdenum poisoning,             causing:Joint pain,Low blood pressure,Nerve dysfunction,Metabolic disorders

Exposure Limits:

       Maximum concentration for soluble molybdenum aerosol: 2 mg/m³.

       For molybdenum dust: 4 mg/m³.

Protective Measures:

       Use appropriate personal protective equipment (PPE), including gloves and masks,                   during handling.

       Follow proper storage and transport regulations to avoid contamination and exposure.

Conclusion

Sodium Molybdate is an indispensable compound in industrial and environmental applications. Its utility as a catalyst, corrosion inhibitor, and water treatment agent underpins its importance across various sectors. Adherence to safety guidelines ensures its safe and effective use, solidifying its status as a reliable and versatile chemical resource.