IATA DGR 67th Edition adds new UN numbers for sodium-ion battery transport

The IATA Dangerous Goods Regulations 67th Edition (2026), effective January 1, 2026, establishes new UN numbers for sodium-ion batteries with organic electrolyte: UN 3551 (sodium ion batteries, standalone) and UN 3552 (sodium ion batteries contained in or packed with equipment). Sodium-ion batteries with aqueous alkali electrolyte continue to be transported as UN 2795 (Batteries, wet, filled with alkali). Classification follows the UN Manual of Tests and Criteria, Part III, Sub-section 38.3. Shippers must ensure proper classification and documentation for sodium-ion battery shipments by air.