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HomeUN NumbersClass 5.1UN1942
Hazard Class 5.1Packing Group III

UN Number

UN1942

Ammonium nitrate, with not more than 0.2% combustible substances, including any organic substance calculated as carbon, to the exclusion of any other added substance

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN1942.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
—Ammonium nitrate, with not more than 0.2% combustible substances, including any organic substance calculated as carbon, to the exclusion of any other added substance5.1III5.1148, A1, A29, B120, IB8, IP3, T1, TP3315221324025 kg100 kgA25, 59, 60, 66, 116, 124
  • 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 5.1 — Oxidizer

See the full class list

Oxidizer (Division 5.1) is a material that may, generally by yielding oxygen, cause or enhance the combustion of other materials.

Source: 49 CFR 173.127 (eCFR).

Previous / next UN number

UN1941Dibromodifluoromethane , R12B2UN1944Matches, safety (book, card or strike on box)

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View the full Class 5.1 list →

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