United Nations/North American Number Datasheet

UN/NA 1092

6.1 - Poison Inhalation Hazard 3 - Flammable liquid

Emergency Response Guidebook (ERG, 2024)

A caution icon. The ERG recommendations are developed for use during the initial phase of transportation incidents; they are not intended for spills at facilities.

Polymerizable warning Materials may undergo violent polymerization if subjected to heat or contamination.

Material Names

  • Acrolein, stabilized
ERG book cover

Response Guide 131

Flammable Liquids - Toxic Líquidos Inflamables - Tóxicos Liquides Inflammables - Toxiques


ERG Table 1: Initial Isolation and Protective Action Distances

Name of Material Small Spills
(from a small package or small leak)
Large Spills
(from a large package or many small packages)
in all Directions
Then Protect Downwind First
in all Directions
Then Protect Downwind
Day Night Day Night
Acrolein, stabilized 300 ft 0.8 mi 2.2 mi 2000 ft 4.2 mi 6.9 mi

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 Acrolein, stabilized 6.1 6.1, 3 Inhalation Hazard Zone A

  6.1 - Poison Inhalation Hazard

  3 - Flammable liquid