Sodium Nitrite (NaNO2) is a widely used inorganic chemical with a distinct set of properties that make it invaluable across various industrial sectors, from metal treatment to chemical synthesis. For procurement professionals and R&D scientists, a thorough understanding of its characteristics, safe handling protocols, and how to source it effectively is crucial. This article provides a detailed overview of Sodium Nitrite, focusing on aspects relevant to industrial purchasing decisions.

The appearance of Sodium Nitrite is typically described as a white to light yellow crystalline solid or granules. It is highly soluble in water and exhibits hygroscopic properties, meaning it readily absorbs moisture from the air. This necessitates careful storage in cool, dry warehouses, protected from humidity and heat, often in tightly sealed containers or lined bags, as indicated by standard packaging (e.g., 25Kg woven bags with double-layer plastic lining). Its chemical formula, NaNO2, and CAS number, 7632-00-0, are essential identifiers for accurate purchasing. When considering buying Sodium Nitrite, always verify that the supplier adheres to recommended storage conditions to ensure product integrity.

Safety is a paramount concern when handling any industrial chemical. While Sodium Nitrite is not inherently flammable, it can support the combustion of other materials. It is classified as an oxidizing agent and can be harmful if ingested or inhaled. Standard industrial hygiene practices, including the use of personal protective equipment such as chemical safety goggles and gloves, are recommended. Material Safety Data Sheets (MSDS) provided by the manufacturer are indispensable resources for detailed safety information, including first-aid measures and spill response procedures. A responsible supplier will always make these readily available.

The applications of Sodium Nitrite are diverse. Industrially, it serves as a crucial reagent in organic synthesis, a component in metallurgical processes like phosphatizing, and notably, an effective corrosion inhibitor for ferrous metals in aqueous systems. Its ability to form a protective oxide film makes it vital for maintaining the integrity of cooling water systems and metal components. For businesses looking to purchase Sodium Nitrite, understanding the required purity and grade (e.g., Reagent grade, C.P.) is essential for ensuring optimal performance in their specific application. The product specifications provided by the manufacturer, such as assay percentage, chloride content, and heavy metal limits, should be carefully reviewed.

When sourcing Sodium Nitrite, particularly from international markets like China, selecting a reputable manufacturer and supplier is key. Look for evidence of quality control, such as ISO certifications, and a history of reliable delivery. Comparing pricing among different suppliers is important, but it should never come at the expense of product quality or safety compliance. Engaging with suppliers who can provide detailed technical support and readily answer queries regarding product specifications, applications, and safety data will streamline your procurement process and ensure you receive a product that meets your exacting industrial standards. As your dedicated supplier, we are committed to providing high-quality Sodium Nitrite and comprehensive support for all your purchasing needs.