HomeUN NumbersClass 3UN1178
Hazard Class 3Packing Group II

UN Number

UN1178

2-Ethylbutyraldehyde

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN1178.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
—2-Ethylbutyraldehyde3II3B1, IB2, T4, TP11502022425 L60 LB—
  • Sym.: Column 1 symbols, 49 CFR 172.101(b).
  • Description: Column 2, the proper shipping name, 172.101(c).
  • Class: Column 3, hazard class or division, 172.101(d).
  • PG: Column 5, packing group, 172.101(f).
  • Labels: Column 6, label codes, 172.101(g).
  • Special provisions: Column 7, codes explained in 49 CFR 172.102, 172.101(h).
  • 8A / 8B / 8C: Packaging exceptions, non-bulk and bulk sections of 49 CFR part 173 (an entry of 202 means 173.202), 172.101(i).
  • 9A / 9B: Maximum quantity per package on passenger aircraft or rail, and on cargo aircraft only, 172.101(j).
  • 10A / 10B: Vessel stowage location and other stowage and handling codes, 172.101(k).

Class 3 — Flammable Liquid

See the full class list

A flammable liquid (Class 3) is a liquid having a flash point of not more than 60°C (140°F), or any material in a liquid phase with a flash point at or above 37.8°C (100°F) that is intentionally heated and offered for transportation at or above its flash point in a bulk packaging.

Source: 49 CFR 173.120 (eCFR).

Previous / next UN number

UN11772-Ethylbutyl acetateUN1179Ethyl butyl ether

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UN1173Ethyl acetateUN1175EthylbenzeneUN1176Ethyl borateUN1180Ethyl butyrateUN1184Ethylene dichlorideUN1188Ethylene glycol monomethyl ether
View the full Class 3 list →

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