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UN identification number

UN1082: Trifluorochloroethylene

As listed: Trifluorochloroethylene, stabilized or Refrigerant gas R 1113

UN1082 appears 1 time in the Hazardous Materials Table (49 CFR §172.101). Hazard class 2.3.

ID numberUN1082
Hazard class2.3
Packing groupnot assigned
Label codes2.3, 2.1

All §172.101 entries for UN1082

Proper shipping nameClassPGLabels
Trifluorochloroethylene, stabilized or Refrigerant gas R 11132.3—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

UN1082, Trifluorochloroethylene, stabilized or Refrigerant gas R 1113, 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 UN1082 in the current PHMSA Emergency Response Guidebook.
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Common questions about UN1082

What is UN1082?

UN1082 is the identification number for Trifluorochloroethylene, stabilized or Refrigerant gas R 1113 in the DOT Hazardous Materials Table (49 CFR §172.101).

What hazard class is UN1082?

UN1082 is listed under hazard class 2.3 (poisonous (toxic) gas).

What packing group is UN1082?

Packing group for UN1082: 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.