HazMat Tool — substance information

Ethylene oxide and carbon dioxide mixture with more than 87 percent ethylene oxide

HMT May 2026
UN / ID
UN 3300
Hazard class
2.3
Packing group
—
ERG guide
ERG 119P
Special provisions
SP 4
Source
49 CFR §172 (2026/05)

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Ethylene oxide and carbon dioxide mixture with more than 87 percent ethylene oxide

Emergency Response Guide No. 119P

Hazardous Materials Table

Source: 49 CFR §172 (2026/05)

(3) Hazard Class

2.3
Poisonous gas

(4) Identification number Help

UN 3300

(5) Packing Group Help

n/a

(6) Labels Help

Poisonous gas (2.3) Flammable gases (2.1)

(7) Special Provisions (§172.102) Help

×Note:
Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.
4

(8) Packing Authorizations (§173.***) Help

(8A) ExceptionsNone
(8B) Non-bulk304see 49 CFR §173.304
(8C) Bulk314, 315see 49 CFR §173.314, 315

(9) Quantity Limits Help

(9A) Passenger aircraft/railForbidden
(9B) Cargo aircraft onlyForbidden

(10) Vessel stowage Help

(10A) Location
(10B) Other

Segregation chart for load, transport, and storage

This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.

Scope & sources (important)Click to show CFR references

This check evaluates segregation per 49 CFR §177.848. Additional loading/unloading and handling requirements may still apply; see 49 CFR §177 Subpart B (Loading and Unloading):

  • §177.834 - General requirements
  • §177.835 - Class 1 materials
  • §177.837 - Class 3 materials
  • §177.838 - Class 4 (flammable solid) materials, Class 5 (oxidizing) materials, and Division 4.2 (pyroforic liquid) materials
  • §177.839 - Class 8 (corrosive) materials
  • §177.840 - Class 2 (gases) materials
  • §177.841 - Division 6.1 and Division 2.3 materials
  • §177.842 - Class 7 (radioactive) material
  • §177.843 - Contamination of vehicles

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UN 0226Cyclotetramethylenetetranitramine, wetted or HMX, wetted or Octogen, wetted with not less than 15 percent water, by mass1.1D
UN 0075Diethyleneglycol dinitrate, desensitized with not less than 25 percent non-volatile water-insoluble phlegmatizer, by mass1.1D
UN 0483Cyclotrimethylenetrinitramine, desensitized or Cyclonite, desensitized or Hexogen, desensitized or RDX, desensitized1.1D
UN 0484Cyclotetramethylenetetranitramine, desensitized or Octogen, desensitized or HMX, desensitized1.1D
UN 1041Ethylene oxide and carbon dioxide mixtures with more than 9 percent but not more than 87 percent ethylene oxide2.1
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UN 1952Ethylene oxide and carbon dioxide mixtures with not more than 9 percent ethylene oxide2.2
UN 19591,1-Difluoroethylene or Refrigerant gas R 1132a2.1
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