Sodium Molybdate

Appearence : | White Crystal Powder | |
CAS No : | 10102-40-6 | |
Molecular Formula : | Na₂MoO₄.2H₂O | |
Chemical Name : | Di Sodium Molybdate Dihydrate | |
Purity : | % 99 | |
Density : | 3,78 g/cm³ | |
Molybdenum (Mo) Content : | % 39 | |
Sodium (Na) Content: | % 19 | |
Melting point : | 687 °C | |
Water solubility : | 84 g/100 ml (100 °C), 56 g/100 ml (0 °C), | |
Storege Condition : | It should be stored in closed packaging in a cool, ventilated and moisture-free environment. | |
Solubility : | Soluble in water. | Insoluble in acetone. |
Sodium Molybdate: Properties, Uses, and Benefits
Sodium molybdate is a versatile chemical compound with a wide range of industrial and agricultural applications. This article explores its properties, benefits, and various uses across different industries.
What is Sodium Molybdate?
Sodium molybdate (Na₂MoO₄) is a water-soluble inorganic compound derived from molybdenum. It appears as a white crystalline powder and is commonly used as a source of molybdenum in various applications. Its high solubility and stability make it an ideal choice in industries ranging from agriculture to water treatment.
Key Properties of Sodium Molybdate
Chemical Formula: Na₂MoO₄
Molecular Weight: 205.92 g/mol
Solubility: Highly soluble in water, making it easy to apply in various solutions
Appearance: White crystalline or powdery substance
Stability: Non-volatile and stable under normal conditions
Industrial and Agricultural Uses
1. Agriculture
Sodium molybdate is an essential micronutrient for plant growth. It plays a critical role in nitrogen fixation and enzyme activation. It is commonly used as a fertilizer additive to prevent molybdenum deficiency in crops such as legumes, vegetables, and grains.
2. Water Treatment
Due to its corrosion inhibition properties, sodium molybdate is used in cooling water systems, boilers, and industrial water treatment processes. It helps prevent metal corrosion, extending the lifespan of equipment and infrastructure.
3. Chemical and Metal Industries
Sodium molybdate is used in metal finishing and electroplating processes. It enhances surface protection by preventing oxidation and corrosion. Additionally, it is used in the production of molybdenum-based catalysts for the petroleum and chemical industries.
4. Pigments and Dyes
This compound is a key ingredient in the manufacture of molybdenum-based pigments, which provide durability and vibrant colors in paints, ceramics, and printing inks.
Benefits of Sodium Molybdate
Effective Corrosion Inhibitor: Protects metal surfaces from oxidation and degradation
Eco-Friendly Alternative: Safer than traditional chromate-based inhibitors
Essential Plant Nutrient: Supports agricultural productivity by improving soil health
Highly Soluble and Stable: Easy to handle and apply in various industrial processes
Potential Risks and Safety Measures
While sodium molybdate is generally safe, excessive exposure can cause mild toxicity, including skin irritation and respiratory discomfort. It is essential to follow safety guidelines when handling this compound:
Use personal protective equipment (PPE) such as gloves and masks
Store in a dry, cool environment away from incompatible substances
Follow proper disposal regulations to prevent environmental contamination
Conclusion
Sodium molybdate is an indispensable compound with numerous benefits across multiple industries. From enhancing plant growth to preventing metal corrosion, its versatility makes it a valuable resource in agriculture, water treatment, and industrial applications. By using it responsibly, industries can leverage its advantages while ensuring environmental and workplace safety.
Would you like to explore specific applications of sodium molybdate in more detail? Let us know in the comments!

