Sodium Selenite, with the chemical formula Na2SeO3, is an inorganic compound that holds significant importance across various industrial and nutritional applications. Understanding its fundamental chemical properties is key to its effective and safe utilization. This colorless rhombic system crystal exhibits slight hygroscopicity, meaning it readily absorbs moisture from the air, underscoring the need for proper storage conditions.

The molecular weight of Sodium Selenite is approximately 172.9. Its notable solubility in water facilitates its use in aqueous solutions, making it adaptable for many industrial processes. The compound's specifications often detail its assay percentage for both Sodium Selenite (Na2SeO3) and elemental Selenium (Se), crucial metrics for quality control and application suitability. For instance, feed grade requirements typically specify a minimum assay for elemental Selenium, ensuring its efficacy in animal nutrition.

When it comes to storage, Sodium Selenite should be kept in a dry and draughty warehouse, protected from dampness and heat to maintain its integrity. Its packaging, often in woven bags lined with plastic, is designed to preserve its quality during transport and storage.

While Sodium Selenite is beneficial, it is essential to be aware of its potential toxicity if consumed in excessive amounts. Selenium toxicity, or selenosis, can manifest with various symptoms, emphasizing the importance of adhering to recommended dosages, particularly when used as a nutritional supplement. For industrial applications, handling procedures should follow standard chemical safety protocols to minimize exposure.

Sourcing Sodium Selenite from reputable manufacturers ensures that you receive a product that meets the specified quality standards. Understanding the chemical behavior and handling requirements of Sodium Selenite is paramount for both industrial efficiency and safety. Continuous research and development in the chemical sector ensure that products like Sodium Selenite are produced with increasing purity and application-specific grades.