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HomeUN NumbersClass 4.1UN2448
Hazard Class 4.1Packing Group III

UN Number

UN2448

Sulfur, molten

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN2448.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
ISulfur, molten4.1III4.130, B13, IB1, R1, T1, TP3None213247ForbiddenForbiddenC74
  • 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 4.1 — Flammable Solid

See the full class list

Flammable solid (Division 4.1) covers desensitized explosives, self-reactive materials that are thermally unstable and can undergo exothermic decomposition without participation of oxygen, and readily combustible solids.

Source: 49 CFR 173.124 (eCFR).

Previous / next UN number

UN2447Phosphorus white, moltenUN2451Nitrogen trifluoride

Nearby Class 4.1 UN Numbers

UN2001Cobalt naphthenates, powderUN2213ParaformaldehydeUN2254Matches, fuseeUN2304Naphthalene, moltenUN2538NitronaphthaleneUN2555Nitrocellulose with water with not less than 25 percent water, by massUN2556Nitrocellulose with alcohol with not less than 25 percent alcohol by mass, and with not more than 12.6 percent nitrogen, by dry massUN2557Nitrocellulose, with not more than 12.6 percent nitrogen, by dry mass mixture with or without plasticizer, with or without pigment
View the full Class 4.1 list →

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