United Nations/North American Number Datasheet

UN/NA 3333

7 - Radioactive

Emergency Response Guidebook (ERG, 2016)

Material Names

  • Radioactive material, Type A package, special form, fissile
ERG book cover

Response Guide 165

Radioactive Materials (Fissile / Low to High Level Radiation) Materiales Radiactivos (Fisionable / Radiación de Nivel Bajo a Alto) Matières Radioactives (Fissiles / Radioactivité de Faible à Élevée)


There are no initial isolation and protective action distances listed in the ERG.

The ERG doesn't predict that large amounts of toxic-by-inhalation gases will be produced if this material is spilled in water.

Hazmat Table (49 CFR 172.101)

UN/NA Proper Shipping Name Hazard Class Labels Notes*

* There are three notes: (1) whether the displayed information is for domestic (U.S.) or international shipping (if neither is specifically indicated, it applies to both), (2) whether the proper shipping name must include one or more technical names of the hazardous material in parentheses, and (3) whether the hazardous material is an inhalation hazard.
UN Radioactive material, Type A package, special form, fissile 7 7

  7 - Radioactive