HazMat Tool — substance information

Dangerous goods in articles or Dangerous goods in machinery or Dangerous goods in apparatus

HMT May 2026
UN / ID
UN 3363
Hazard class
9
Packing group
ERG guide
ERG 171
Special provisions
SP 136, SP A105
Source
49 CFR §172 (2026/05)

Spot an error in this entry?

Dangerous goods in articles or Dangerous goods in machinery or Dangerous goods in apparatus

Emergency Response Guide No. 171

Hazardous Materials Table

Source: 49 CFR §172 (2026/05)

(3) Hazard Class

9
Miscellaneous hazardous materials

(4) Identification number Help

UN 3363

(5) Packing Group Help

n/a

(6) Labels Help

Miscellaneous hazardous materials (9)

(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.
136
A105

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

(8A) ExceptionsNone
(8B) Non-bulk222see 49 CFR §173.222
(8C) BulkNone

(9) Quantity Limits Help

(9A) Passenger aircraft/railSee A105
(9B) Cargo aircraft onlySee A105

(10) Vessel stowage Help

(10A) Location
(10B) Other n/a

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.

No compatibility information for class 9 in 49 CFR §177.848 included.

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