UN2310: Pentane-2,4-dione
UN2310 appears 1 time in the Hazardous Materials Table (49 CFR §172.101). Hazard class 3, packing group III.
All §172.101 entries for UN2310
| Proper shipping name | Class | PG | Labels |
|---|---|---|---|
| Pentane-2,4-dione | 3 | III | 3, 6.1 |
Open any entry for packaging sections, special provisions, air limits and vessel stowage.
What it means
Packing group ranks danger within the class: PG III = minor danger.
Label codes (column 6): 3, 6.1 → Flammable liquid label + subsidiary Poison / Toxic 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 UN2310 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 UN2310
What is UN2310?
UN2310 is the identification number for Pentane-2,4-dione in the DOT Hazardous Materials Table (49 CFR §172.101).
What hazard class is UN2310?
UN2310 is listed under hazard class 3 (flammable liquid).
What packing group is UN2310?
Packing group for UN2310: III. Where several rows exist, the packing group that fits your material decides which row applies.