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HomeUN NumbersClass 4.1UN1357
Hazard Class 4.1Packing Group I

UN Number

UN1357

Urea nitrate, wetted with not less than 20 percent water, by mass

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN1357.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
—Urea nitrate, wetted with not less than 20 percent water, by mass4.1I4.123, 39, A8, A19, N41, W31None211None1 kg15 kgE28, 36
  • 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 4.1 — Flammable Solid

See the full class list

Flammable solid (Division 4.1) covers desensitized explosives, self-reactive materials that are thermally unstable and can undergo exothermic decomposition without participation of oxygen, and readily combustible solids.

Source: 49 CFR 173.124 (eCFR).

Previous / next UN number

UN1356Trinitrotoluene, wetted or TNT, wetted, with not less than 30 percent water by massUN1358Zirconium powder, wetted with not less than 25 percent water (a visible excess of water must be present) (a) mechanically produced, particle size less than 53 microns; (b) chemically produced, particle size less than 840 microns

Nearby Class 4.1 UN Numbers

UN1353Fibers or Fabrics impregnated with weakly nitrated nitrocellulose, n.o.sUN1354Trinitrobenzene, wetted with not less than 30 percent water, by massUN1355Trinitrobenzoic acid, wetted with not less than 30 percent water, by massUN1437Zirconium hydrideUN1517Zirconium picramate, wetted with not less than 20 percent water, by massUN1571Barium azide, wetted with not less than 50 percent water, by mass
View the full Class 4.1 list →

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