Appearance: Usually a white, crystalline powder or granules, highly soluble in water.

Chemical Formula: Na₂MoO₄·2H₂O; contains molybdenum in the +6 oxidation state and serves as a source of molybdate ions (MoO₄²⁻).

Agricultural Use: Often used as a micronutrient in fertilizers, providing essential molybdenum needed for plant enzymes involved in nitrogen fixation and synthesis of amino acids.

Corrosion Inhibitor: Acts as a corrosion inhibitor in industrial water treatment, preventing corrosion of steel and other metals by forming a protective layer.

Analytical Chemistry: Employed as a reagent in laboratory settings, especially in colorimetric assays, where it reacts with phosphates to form molybdenum blue complexes for detection.

Biological Role: Molybdenum is an essential trace element for many organisms, including plants and animals, where it plays a role in enzymes that facilitate vital biochemical processes.

pH Buffer: Used in buffers and various formulations where a stable pH is required, particularly in research and laboratory applications.