HazMat Tool — substance information
Lithium metal batteries contained in equipment including lithium alloy batteries
HMT May 2026Lithium metal batteries contained in equipment including lithium alloy batteries
| Emergency Response Guide No. 138 |
Hazardous Materials Table
Source: 49 CFR §172 (2026/05)(3) Hazard Class9Miscellaneous hazardous materials |
(4) Identification number |
(5) Packing Group |
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(6) Labels |
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(7) Special Provisions (§172.102)
|
||||||||||||||
| 181 | |
|---|---|
| 360 | |
| 388 | |
| 422 | |
| A54 | |
| A101 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 185 | see 49 CFR §173.185 |
|---|---|---|
| (8B) Non-bulk | 185 | see 49 CFR §173.185 |
| (8C) Bulk | 185 | see 49 CFR §173.185 |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | 5 kg |
|---|---|
| (9B) Cargo aircraft only | 35 kg |
(10) Vessel stowage 
| (10A) Location | |
|---|---|
| (10B) Other |
(3) Hazard Class9Miscellaneous hazardous materials |
(4) Identification number |
(5) Packing Group |
||||||||||
(6) Labels |
||||||||||||
(7) Special Provisions (§172.102)
|
||||||||||||
| 181 | |
|---|---|
| 360 | |
| 388 | |
| 422 | |
| A54 |
(8) Packing Authorizations (§173.***) 
| (8A) Exceptions | 185 | see 49 CFR §173.185 |
|---|---|---|
| (8B) Non-bulk | 185 | see 49 CFR §173.185 |
| (8C) Bulk | 185 | see 49 CFR §173.185 |
(9) Quantity Limits 
| (9A) Passenger aircraft/rail | 5 kg |
|---|---|
| (9B) Cargo aircraft only | 35 kg |
(10) Vessel stowage 
| (10A) Location | |
|---|---|
| (10B) Other |
Packing group comparison
Multiple packing groups apply to this entry. See assignment criteria in 49 CFR §173 Subpart D. Details are in the tabs above; differences are highlighted.
| PG n/a | PG n/a | |
|---|---|---|
| 1 | ||
| 2 | Lithium metal batteries contained in equipment including lithium alloy batteries | Lithium metal batteries packed with equipment including lithium alloy batteries |
| 3 | 9 | 9 |
| 4 | UN 3091 | UN 3091 |
| 5 | n/a | n/a |
| 6 | 9 | 9 |
| 7 | 181, 360, 388, 422, A54, A101 | 181, 360, 388, 422, A54 |
| 8A | 185 | 185 |
| 8B | 185 | 185 |
| 8C | 185 | 185 |
| 9A | 5 kg | 5 kg |
| 9B | 35 kg | 35 kg |
| 10A | A | A |
| 10B | 156 | 156 |
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