HomeUN NumbersClass 4.3UN1393
Hazard Class 4.3Packing Group II

UN Number

UN1393

Alkaline earth metal alloys, n.o.s

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN1393.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
—Alkaline earth metal alloys, n.o.s4.3II4.3A19, IB7, IP2, IP4, T3, TP33, W31, W4015121224115 kg50 kgE13, 52, 148
  • 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).

Division 4.3 — Dangerous When Wet Material

See the full class list

Dangerous when wet material (Division 4.3) is a material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour.

Source: 49 CFR 173.124 (eCFR).

Previous / next UN number

UN1392Alkaline earth metal amalgams, liquidUN1394Aluminum carbide

Nearby Class 4.3 UN Numbers

UN1389Alkali metal amalgam, liquidUN1390Alkali metal amidesUN1391Alkali metal dispersions, or Alkaline earth metal dispersionsUN1395Aluminum ferrosilicon powderUN1396Aluminum powder, uncoatedUN1397Aluminum phosphide
View the full Class 4.3 list →

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