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HomeUN NumbersClass 5.1UN1873
Hazard Class 5.1Packing Group I

UN Number

UN1873

Perchloric acid with more than 50 percent but not more than 72 percent acid, by mass

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN1873.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
—Perchloric acid with more than 50 percent but not more than 72 percent acid, by mass5.1I5.1, 8A2, N41, T10, TP1None201243Forbidden2.5 LD53, 58, 66
  • 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).

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