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HomeUN NumbersClass 8UN1788
Hazard Class 8Packing Group II/III

UN Number

UN1788

Hydrobromic acid, with more than 49 percent hydrobromic acid

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

4 rows in 49 CFR 172.101 for UN1788.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
—Hydrobromic acid, with more than 49 percent hydrobromic acid8II8B2, B15, IB2, N41, T7, TP2154202242ForbiddenForbiddenC53, 58
—Hydrobromic acid, with more than 49 percent hydrobromic acid8III8IB3, T4, TP1154203241ForbiddenForbiddenC8, 53, 58
—Hydrobromic acid, with not more than 49 percent hydrobromic acid8II8A3, B2, B15, IB2, N41, T7, TP21542022421 L30 LC53, 58
—Hydrobromic acid, with not more than 49 percent hydrobromic acid8III8A3, IB3, T4, TP11542032415 L60 LC8, 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).

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