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UN identification number

UN2911: Radioactive material

As listed: Radioactive material, excepted package-instruments or articles

UN2911 appears 1 time in the Hazardous Materials Table (49 CFR §172.101). Hazard class 7.

ID numberUN2911
Hazard class7
Packing groupnot assigned
Label codesNone

All §172.101 entries for UN2911

Open any entry for packaging sections, special provisions, air limits and vessel stowage.

What it means

7
Class 7 — Radioactive material. Materials that spontaneously emit ionizing radiation above regulatory thresholds.

Label codes (column 6): No hazard label required (label code “None”).

UN numbers are recognized for international and domestic transport.

Example basic description

UN2911, Radioactive material, excepted package-instruments or articles, 7

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

  1. Match the name. Compare your SDS Section 14 to the proper shipping names above and pick the row with your packing group.
  2. Read the special provisions on the entry page (§172.102) — they can add limits or exceptions.
  3. Check packaging — the entry page lists the Part 173 sections for exceptions, non-bulk and bulk.
  4. Labels & placards. Placarding depends on class and quantity — see Table 1 vs Table 2.
  5. Emergency response. Find the response guide for UN2911 in the current PHMSA Emergency Response Guidebook.
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Common questions about UN2911

What is UN2911?

UN2911 is the identification number for Radioactive material, excepted package-instruments or articles in the DOT Hazardous Materials Table (49 CFR §172.101).

What hazard class is UN2911?

UN2911 is listed under hazard class 7 (radioactive material).

What packing group is UN2911?

Packing group for UN2911: not assigned. Where several rows exist, the packing group that fits your material decides which row applies.

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Source: Hazardous Materials Table (49 CFR §172.101), eCFR.gov — current as of Oct 23, 2026. View the official table. Reference only — verify current requirements before shipping.