Because it is classified as a hazardous material (Hazmat), the sale and transport of nitric acid are heavily regulated:
Most reputable chemical suppliers require purchasers to provide proof of business, a valid tax ID, or a statement of intended use to ensure the chemical is handled by qualified professionals.
Large-scale operations often work with industrial chemical suppliers that provide bulk quantities and manage the necessary safety documentation for industrial manufacturing and metal refining.
Nitric acid is typically sourced through industrial chemical distributors or laboratory supply companies.
Shipping nitric acid requires specialized Hazmat logistics. This often involves significant surcharges and strict packaging requirements to prevent leaks or dangerous reactions during transit.
For smaller, high-purity requirements, scientific laboratory supply houses may offer various concentrations, such as 68-70% (ACS grade), which is commonly used in refining processes.