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United Nations/North American Number Datasheet

UN/NA 1005

 2.2 - Non-flammable, non-poisonous gas 2.3 - Poisonous gas 8 - Corrosive UN/NA number 1005 (Ammonia, Anhydrous) Inhalation Hazard (Special Provision 13)

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.

Material Names

  • Ammonia, anhydrous
  • Anhydrous ammonia
 ERG book cover

Response Guide 125

Gases - Toxic and/or Corrosive Gases - Tóxicos y/o Corrosivos Gaz - Toxiques et/ou Corrosifs

 

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)
First
Isolate
in all Directions		 Then Protect Downwind First
Isolate
in all Directions		 Then Protect Downwind
Day Night Day Night
Ammonia, anhydrous 100 ft 0.1 mi 0.1 mi Refer to Table 3
Anhydrous ammonia 100 ft 0.1 mi 0.1 mi Refer to Table 3

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

ERG Table 3: Initial Isolation and Protective Action Distances for Different Quantities of Six Common Toxic-by-Inhalation Gases

UN1005 Ammonia, anhydrous / Anhydrous ammonia: Large Spills
Transport Container First
Isolate
in all Directions		 Then Protect Downwind
Day Night
Low Wind
(<6 mph)		 Moderate Wind
(6-12 mph)		 High Wind
(>12 mph)		 Low Wind
(<6 mph)		 Moderate Wind
(6-12 mph)		 High Wind
(>12 mph)
Rail tank car 1000 ft 1.0 mi 0.8 mi 0.6 mi 2.6 mi 1.3 mi 0.8 mi
Highway tank truck or trailer 500 ft 0.5 mi 0.3 mi 0.3 mi 1.1 mi 0.4 mi 0.4 mi
Agricultural nurse tank 200 ft 0.3 mi 0.2 mi 0.2 mi 0.9 mi 0.2 mi 0.2 mi
Multiple small cylinders 100 ft 0.2 mi 0.1 mi 0.1 mi 0.5 mi 0.2 mi 0.1 mi

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 Ammonia, anhydrous 2.2 2.2 Domestic (U.S.), Inhalation Hazard (Special Provision 13)
UN Ammonia, anhydrous 2.3 2.3, 8 International, Inhalation Hazard Zone D

  2.2 - Non-flammable, non-poisonous gas

  2.3 - Poisonous gas

  8 - Corrosive

  UN/NA number 1005 (Ammonia, Anhydrous)

  Inhalation Hazard (Special Provision 13)