UN3166: Vehicle
As listed: Vehicle, flammable gas powered or Vehicle, fuel cell, flammable gas powered
UN3166 appears 2 times in the Hazardous Materials Table (49 CFR §172.101). Hazard class 9.
All §172.101 entries for UN3166
| Proper shipping name | Class | PG | Labels |
|---|---|---|---|
| Vehicle, flammable gas powered or Vehicle, fuel cell, flammable gas powered | 9 | — | 9 |
| Vehicle, flammable liquid powered or Vehicle, fuel cell, flammable liquid powered | 9 | — | 9 |
Open any entry for packaging sections, special provisions, air limits and vessel stowage.
What it means
Label codes (column 6): 9 → Class 9 label.
UN numbers are recognized for international and domestic transport.
Example basic description
Proper shipping name shown without the table's italic descriptive text. Order per §172.202: ID number, proper shipping name, hazard class, packing group. Example only — add technical names, “RQ”, quantities and other elements your shipment requires.
What to check next
- Match the name. Compare your SDS Section 14 to the proper shipping names above and pick the row with your packing group.
- Read the special provisions on the entry page (§172.102) — they can add limits or exceptions.
- Check packaging — the entry page lists the Part 173 sections for exceptions, non-bulk and bulk.
- Labels & placards. Placarding depends on class and quantity — see Table 1 vs Table 2.
- Emergency response. Find the response guide for UN3166 in the current PHMSA Emergency Response Guidebook.
Get the HazmatTable Field Guide poster pack
8 printable hazmat reference posters — reading a table entry, hazard classes, placards, segregation, shipping papers and more. Free, sent to your inbox.
Common questions about UN3166
What is UN3166?
UN3166 is the identification number for Vehicle, flammable gas powered or Vehicle, fuel cell, flammable gas powered; Vehicle, flammable liquid powered or Vehicle, fuel cell, flammable liquid powered in the DOT Hazardous Materials Table (49 CFR §172.101).
What hazard class is UN3166?
UN3166 is listed under hazard class 9 (miscellaneous hazardous material).
What packing group is UN3166?
Packing group for UN3166: not assigned. Where several rows exist, the packing group that fits your material decides which row applies.