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HomeUN NumbersClass 8UN1790
Hazard Class 8Packing Group I/II

UN Number

UN1790

Hydrofluoric acid, with more than 60 percent strength

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

2 rows in 49 CFR 172.101 for UN1790.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
—Hydrofluoric acid, with more than 60 percent strength8I8, 6.1A7, B4, B15, B23, N5, N34, T10, TP2, TP13None2012430.5 L2.5 LD12, 25, 40, 53, 58
—Hydrofluoric acid, with not more than 60 percent strength8II8, 6.1A7, B15, IB2, N5, N34, T8, TP21542022431 L30 LD12, 25, 40, 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

UN1789Hydrochloric acidUN1791Hypochlorite solutions

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