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UN identification number

UN1071: Oil gas, compressed

UN1071 appears 1 time in the Hazardous Materials Table (49 CFR §172.101). Hazard class 2.3.

ID numberUN1071
Hazard class2.3
Packing groupnot assigned
Label codes2.3, 2.1

All §172.101 entries for UN1071

Proper shipping nameClassPGLabels
Oil gas, compressed2.3—2.3, 2.1

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

What it means

2.3
Class 2.3 — Poisonous (toxic) gas. Gases known to be toxic to humans when inhaled.

Label codes (column 6): 2.3, 2.1 → Poison gas label + subsidiary Flammable gas label.

UN numbers are recognized for international and domestic transport.

Example basic description

UN1071, Oil gas, compressed, 2.3

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 UN1071 in the current PHMSA Emergency Response Guidebook.
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Common questions about UN1071

What is UN1071?

UN1071 is the identification number for Oil gas, compressed in the DOT Hazardous Materials Table (49 CFR §172.101).

What hazard class is UN1071?

UN1071 is listed under hazard class 2.3 (poisonous (toxic) gas).

What packing group is UN1071?

Packing group for UN1071: 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.