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HomeUN NumbersClass 5.2UN3545
Hazard Class 5.2

UN Number

UN3545

Articles containing organic peroxide, n.o.s.

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN3545.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
GArticles containing organic peroxide, n.o.s.5.2—5.2131, 391None214214ForbiddenForbidden——
  • 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 5.2 — Organic Peroxide

See the full class list

Organic peroxide (Division 5.2) is any organic compound containing oxygen in the bivalent -O-O- structure and which may be considered a derivative of hydrogen peroxide, where one or more of the hydrogen atoms have been replaced by organic radicals.

Source: 49 CFR 173.128 (eCFR).

Previous / next UN number

UN3544Articles containing oxidizing substance, n.o.s.UN3546Articles containing toxic substance, n.o.s.

Nearby Class 5.2 UN Numbers

UN3117Organic peroxide type E, liquid, temperature controlledUN3118Organic peroxide type E, solid, temperature controlledUN3119Organic peroxide type F, liquid, temperature controlledUN3120Organic peroxide type F, solid, temperature controlled
View the full Class 5.2 list →

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