United Nations/North American Number Datasheet

UN/NA 3258

Emergency Response Guidebook (ERG, 2016)

Material Names

  • Elevated temperature solid, n.o.s., at or above 240∞C (464∞F)
ERG book cover

Response Guide 171

Substances (Low to Moderate Hazard) Sustancias (Peligro de Bajo a Moderado) Substances (Risques Faibles à Modérés)


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)

Note: UN/NA 3258 doesn't appear in the 49 CFR Hazmat Table.