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HomeUN NumbersClass 8UN1811
Hazard Class 8Packing Group II

UN Number

UN1811

Potassium hydrogendifluoride solid

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN1811.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
—Potassium hydrogendifluoride solid8II8, 6.1IB8, IP2, IP4, N3, N34, T3, TP3315421224015 kg50 kgA25, 40, 52, 53, 58
  • 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).

Class 8 — Corrosive Material

See the full class list

"Corrosive material" (Class 8) is a liquid or solid that causes irreversible damage to human skin at the site of contact within a specified period of time, or a liquid (or solid that may become liquid in transportation) with a severe corrosion rate on steel or aluminum.

Source: 49 CFR 173.136 (eCFR).

Previous / next UN number

UN1810Phosphorus oxychlorideUN1812Potassium fluoride, solid

Nearby Class 8 UN Numbers

UN1805Phosphoric acid solutionUN1806Phosphorus pentachlorideUN1807Phosphorus pentoxideUN1808Phosphorus tribromideUN1813Potassium hydroxide, solidUN1814Potassium hydroxide, solutionUN1816PropyltrichlorosilaneUN1817Pyrosulfuryl chloride
View the full Class 8 list →

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