SODIUM TUNGSTATE (MO FREE)

Sodium Tungstate (Mo Free) is a chemical compound composed of sodium and tungsten, with the formula Na₂WO₄. This version of sodium tungstate is specifically manufactured to be free of molybdenum (Mo), making it suitable for sensitive applications where even trace amounts of molybdenum could affect the quality or performance of a product. Sodium Tungstate (Mo Free) is typically found as a white crystalline powder, highly soluble in water, and commonly used in various industrial, chemical, and scientific applications.

Due to its unique properties, Sodium Tungstate (Mo Free) plays an important role in sectors like catalysts for chemical reactions, specialized glass manufacturing, electronics, and water treatment. Its tungsten content also provides high resistance to corrosion, making it useful in applications requiring durability and stability under extreme conditions.

Applications:

1. Catalysts in Chemical Reactions

• Catalysis: Sodium Tungstate (Mo Free) is often used in the chemical industry as a catalyst or a precursor for catalysts in various reactions. It plays a role in the production of fine chemicals, particularly in reactions where high thermal and chemical stability is required.
• Hydroprocessing: It is used in hydroprocessing applications, such as the hydrogenation of hydrocarbons, where molybdenum-free catalysts are required for better performance and cleaner reactions.

2. Electronics and Electrical Applications

• Semiconductor Manufacturing: Sodium Tungstate (Mo Free) is used in the electronics industry, particularly in the manufacture of semiconductors. It is a precursor for tungsten-based materials, which are vital in the production of conductive films and components in microelectronics.
• Electrical Contacts and Wiring: Due to tungsten’s high resistance to corrosion and excellent conductivity, Sodium Tungstate (Mo Free) is used in applications that involve electrical contacts, wiring, and connections where minimal trace elements like molybdenum may impact performance.

3. Specialty Glass Manufacturing

• Glass Forming: Sodium Tungstate (Mo Free) is used in the glass manufacturing industry, particularly in the production of high-performance glasses, such as those used in optical and display technology. It helps to improve the glass’s durability, resistance to high temperatures, and its optical properties.
• Radiation Shielding: Tungsten compounds are often incorporated into glass formulations used in radiation shielding and medical imaging devices. Sodium Tungstate (Mo Free) serves as an ideal material for this purpose, providing the necessary protective qualities.

4. Water Treatment

• Corrosion Inhibitor: Sodium Tungstate (Mo Free) is used as an inhibitor in industrial water treatment systems, particularly in cooling systems and boilers. It helps prevent corrosion and scaling by forming a protective barrier on metal surfaces, reducing maintenance costs and increasing the efficiency of industrial systems.
• Wastewater Treatment: It also finds use in treating wastewater, where its corrosion-resistant and chemical stability properties are important in maintaining water quality and ensuring the longevity of treatment equipment.

5. Chemical Analysis and Research

• Analytical Chemistry: Sodium Tungstate (Mo Free) is used in laboratories for chemical analysis and as a reagent in various chemical assays. Its unique properties make it a suitable standard for quantitative analysis in the study of various elements and compounds.
• Research Applications: In scientific research, it is used as a component in the synthesis of tungsten-based compounds for advanced material studies and in the development of high-performance materials.

6. Pigments and Dye Manufacturing

• Pigment Production: Sodium Tungstate (Mo Free) is used as a precursor in the synthesis of tungsten-based pigments, which are utilized in ceramics, plastics, and paints. These pigments offer excellent durability, brightness, and heat resistance.
• Dyeing and Colorants: In industries like textiles, sodium tungstate can be part of formulations for coloring agents used in dyeing processes that require high thermal and chemical stability.

7. Metallurgy and Alloy Manufacturing

• Tungsten Alloy Production: Sodium Tungstate (Mo Free) is a key component in the production of tungsten alloys. These alloys are widely used in applications requiring materials with high density, hardness, and high melting points, such as in aerospace, automotive, and military industries.
• High-Performance Alloys: The molybdenum-free version of sodium tungstate helps in the creation of tungsten-based alloys with precise control over the composition of the material, making it suitable for specialized manufacturing.

Safety Guidelines:

1. Personal Protective Equipment (PPE):
   • Skin Protection: Wear protective gloves, clothing, and appropriate footwear when handling Sodium Tungstate (Mo Free) to avoid prolonged skin contact, as it may cause irritation.
   • Eye Protection: Use safety goggles or face shields to prevent eye contact with dust or splashes.
   • Respiratory Protection: When handling Sodium Tungstate (Mo Free) in powdered form, use a suitable dust mask or respirator to avoid inhalation of particles, especially in confined or poorly ventilated spaces.
2. Storage:
   • Store Sodium Tungstate (Mo Free) in a cool, dry, and well-ventilated area, away from incompatible materials like strong acids.
   • The compound should be stored in sealed containers to protect it from moisture and contamination. Do not store it in a damp environment.
3. First Aid:
   • Inhalation: If inhaled, move the affected person to fresh air immediately. Seek medical attention if respiratory symptoms persist.
   • Skin Contact: In case of skin contact, wash the affected area with soap and water. If irritation occurs, seek medical attention.
   • Eye Contact: If Sodium Tungstate (Mo Free) gets into the eyes, rinse immediately with plenty of water for at least 15 minutes. Seek medical help if irritation persists.
   • Ingestion: If ingested, rinse the mouth with water and seek immediate medical assistance. Do not induce vomiting unless advised by a medical professional.
4. Disposal:
   • Sodium Tungstate (Mo Free) should be disposed of in accordance with local, state, and federal regulations. Typically, it can be neutralized and safely discarded, but larger quantities should be handled by licensed disposal professionals.