HazmatTable logoHAZMATTABLE
UN identification number

UN3528: Engine

As listed: Engine, internal combustion, flammable liquid powered or Engine, fuel cell, flammable liquid powered or Machinery, internal combustion, flammable liquid powered or Machinery, fuel cell, flammable liquid powered

UN3528 appears 1 time in the Hazardous Materials Table (49 CFR §172.101). Hazard class 3.

ID numberUN3528
Hazard class3
Packing groupnot assigned
Label codes3

All §172.101 entries for UN3528

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

What it means

3
Class 3 — Flammable liquid. Liquids that give off vapors that can ignite — for example gasoline, acetone, and many solvents.

Label codes (column 6): 3 → Flammable liquid label.

UN numbers are recognized for international and domestic transport.

Example basic description

UN3528, Engine, internal combustion, flammable liquid powered or Engine, fuel cell, flammable liquid powered or Machinery, internal combustion, flammable liquid powered or Machinery, fuel cell, flammable liquid powered, 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 UN3528 in the current PHMSA Emergency Response Guidebook.
How to Read a Hazmat Table Entry poster
Free download

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.

Get the free pack →

Common questions about UN3528

What is UN3528?

UN3528 is the identification number for Engine, internal combustion, flammable liquid powered or Engine, fuel cell, flammable liquid powered or Machinery, internal combustion, flammable liquid powered or Machinery, fuel cell, flammable liquid powered in the DOT Hazardous Materials Table (49 CFR §172.101).

What hazard class is UN3528?

UN3528 is listed under hazard class 3 (flammable liquid).

What packing group is UN3528?

Packing group for UN3528: not assigned. Where several rows exist, the packing group that fits your material decides which row applies.

Looking up materials every day? Unlimited searches are $5/mo — or add AI Search to ask questions in plain English.
See plans →
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.