Overview
Calcium molybdate is an inorganic compound primarily used in industrial applications due to its stability and corrosion-inhibiting properties. It is synthesized through the reaction of calcium salts with molybdate solutions. The compound is valued for its high thermal stability and low solubility in water, making it suitable for high-temperature applications. In the B2B sector, calcium molybdate is commonly procured by manufacturers in the ceramics, pigments, and coatings industries. Its role as a corrosion inhibitor also makes it a critical component in protective coatings for metals.
Physical and Chemical Properties
Calcium molybdate appears as a white crystalline powder with a density of 4.35 g/cm³. It decomposes at 965°C, making it suitable for high-temperature processes. The compound is slightly soluble in water but insoluble in alcohol, which influences its application in aqueous and non-aqueous systems. Its key chemical properties include resistance to oxidation and stability under thermal stress. These characteristics make it ideal for use in environments where durability and longevity are required, such as in ceramic glazes and protective coatings.
Main Applications
The primary use of calcium molybdate is in the ceramics industry, where it acts as a flux to lower the melting point of glazes. It is also employed as a pigment in paints and coatings, providing a white or off-white hue. Additionally, its corrosion-inhibiting properties make it valuable in protective coatings for steel and other metals. Another niche application is in the production of phosphors for lighting and display technologies. Its ability to emit light under certain conditions makes it useful in specialized optical materials.
Safety and Storage
Calcium molybdate is generally considered low-toxicity, but precautions should be taken to avoid inhalation or direct skin contact. Personal protective equipment (PPE) such as gloves and masks is recommended during handling. The compound should be stored in a cool, dry place away from moisture and incompatible substances like strong acids. In case of accidental exposure, rinse affected areas with plenty of water and seek medical advice if irritation persists. Proper storage and handling minimize risks and ensure the material remains effective for industrial use.
B2B Procurement Guide
When procuring calcium molybdate, buyers should prioritize purity and particle size specifications, as these factors directly impact performance in end-use applications. Bulk purchases often provide cost advantages, but storage conditions must be carefully managed to prevent degradation. Suppliers should be vetted for compliance with industry standards and reliability in delivery schedules. Technical data sheets (TDS) and material safety data sheets (MSDS) should be reviewed to ensure the product meets specific requirements for intended applications.
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