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HomeUN NumbersClass 4.1UN3179
Hazard Class 4.1Packing Group II/III

UN Number

UN3179

Flammable solid, toxic, inorganic, n.o.s.

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

2 rows in 49 CFR 172.101 for UN3179.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
GFlammable solid, toxic, inorganic, n.o.s.4.1II4.1, 6.1A1, IB6, IP2, T3, TP3315121224215 kg50 kgB40
GFlammable solid, toxic, inorganic, n.o.s.4.1III4.1, 6.1A1, IB6, T1, TP3315121324225 kg100 kgB40
  • 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

UN3178Flammable solid, inorganic, n.o.s.UN3180Flammable solid, corrosive, inorganic, n.o.s.

Nearby Class 4.1 UN Numbers

UN3097Flammable solid, oxidizing, n.o.sUN3175Solids containing flammable liquid, n.o.s.UN3176Flammable solid, organic, molten, n.o.s.UN3181Metal salts of organic compounds, flammable, n.o.sUN3182Metal hydrides, flammable, n.o.sUN3221Self-reactive liquid type B
View the full Class 4.1 list →

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