Moltichem Moltichem

Technical specifications

Chemical formula NaNO3
Molar mass 84.99 g/mol
CAS number 7631-99-4
Appearance White solid powder or crystals
Density 2.26 g/cm³
Melting point 308 °C
Solubility in water Highly soluble (approx. 91 g/100 mL water at 25 °C)

Product description

Sodium nitrate is one of the most widely used inorganic compounds across the chemical, metallurgical, and agricultural industries. Historically known as "Chile saltpeter," this substance is a white crystalline, water-soluble salt that holds an essential place in diverse production lines owing to its strong oxidizing properties and readily available nitrogen content. As a manufacturer of nitrate compounds, Moltichem supplies this product with consistent purity to meet diverse industrial demands.

Physical and Chemical Properties of Sodium Nitrate

With the chemical formula NaNO3, sodium nitrate belongs to the Nitrates category and is recognized as one of the stable types of Inorganic Salts. This compound exhibits a pronounced affinity for atmospheric moisture and dissolves rapidly in water through an endothermic (heat-absorbing) process.

Structurally, the ionic bonding between sodium and nitrate ions imparts a relatively high melting point to the compound. Its oxidizing characteristics cause it to release nitrogen and oxygen at elevated temperatures, making it valuable in pyrotechnics, metallurgy, and blasting applications. It also serves as an essential raw material for synthesizing other Inorganic Chemicals.

Industrial Applications of Sodium Nitrate

The utility of this salt extends across multiple sectors, where it functions as a catalyst, oxidizer, or nitrogen donor:

  • Glass and Ceramics Industries: Serves as an oxidizing and fining agent to clarify molten glass and enhance the transparency of the final product.
  • Heat Treatment and Metal Industries: Used in molten salt baths for hardening, stress relief, and surface finishing of metal alloys.
  • Agriculture and Fertilizer Formulations: Acts as a source of fast-absorbing nitrate nitrogen for agricultural soils.
  • Dyes and Preservatives: Applied under regulated conditions alongside Sodium Nitrite for color fixation and processing.
  • Water and Wastewater Treatment: Eliminates nitrite compounds and manages biological contaminant loads in industrial treatment facilities.
  • Chemical Synthesis: Functions as a precursor in the production of acid derivatives and various specialty formulations.

Safety Requirements and Storage Conditions

Given its strong oxidizing nature, strict compliance with safety standards during storage is vital. Although the material is not self-combustible, contact with combustible or organic matter can severely intensify fire hazards.

Storage facilities must feature continuous ventilation, impermeable flooring, and temperature control. Because the material is hygroscopic, bags must be stored on wooden or plastic pallets to prevent direct exposure to ground moisture. Handling personnel should always wear appropriate personal protective equipment, including dust masks and chemical-resistant gloves.

Sodium Nitrate Purchasing Guide and Ordering

For technical and procurement teams, consistent chemical purity and uniform grain size represent the primary criteria when placing orders. The presence of chloride contaminants or excessive moisture can disrupt sensitive industrial operations, such as glass manufacturing or molten salt bath preparation.

When sourcing sodium nitrate from Moltichem, you can access technical guidance tailored to your specific application and arrange orders across various volumes to suit your production requirements, ensuring raw material that reliably conforms to required standards.

Frequently asked questions

How to order

Choose one of the two options below, depending on the quantity you need.

Bulk orders

For bulk, industrial and high-volume purchases, contact our sales team directly for the best price, shipping terms and volume discounts.

  • Minimum bulk order: 50 litres / kilograms
  • Tiered discounts based on order volume
  • Freight delivery anywhere in Iran

Small orders

For small quantities and single purchases, fill in the form below and we will register and follow up your order.