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United Nations/North American Number Datasheet

UN/NA 2191

2.3 - Poisonous gas

Emergency Response Guidebook (ERG, 2016)

Material Names

  • Sulfuryl fluoride
  • Sulphuryl fluoride
ERG book cover

Response Guide 123

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
Sulfuryl fluoride 100 ft 0.1 mi 0.3 mi 1000 ft 1.2 mi 2.7 mi
Sulphuryl fluoride 100 ft 0.1 mi 0.3 mi 1000 ft 1.2 mi 2.7 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 Sulfuryl fluoride 2.3 2.3 Inhalation Hazard Zone D

  2.3 - Poisonous gas