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HomeUN NumbersClass 4.2UN2447
Hazard Class 4.2Packing Group I

UN Number

UN2447

Phosphorus white, molten

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN2447.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
—Phosphorus white, molten4.2I4.2, 6.1B9, B26, N34, T21, TP3, TP7, TP26None188243ForbiddenForbiddenD—
  • 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 4.2 — Spontaneously Combustible Material

See the full class list

Spontaneously combustible material (Division 4.2) includes a pyrophoric material — a liquid or solid that, even in small quantities and without an external ignition source, can ignite within five minutes after coming in contact with air — and self-heating material.

Source: 49 CFR 173.124 (eCFR).

Previous / next UN number

UN2446Nitrocresols, solidUN2448Sulfur, molten

Nearby Class 4.2 UN Numbers

UN2210Maneb or Maneb preparations with not less than 60 percent manebUN2217Seed cake with not more than 1.5 percent oil and not more than 11 percent moistureUN2318Sodium hydrosulfide, with less than 25 percent water of crystallizationUN2441Titanium trichloride, pyrophoric or Titanium trichloride mixtures, pyrophoricUN2545Hafnium powder, dryUN2546Titanium powder, dryUN2793Ferrous metal borings or Ferrous metal shavings or Ferrous metal turnings or Ferrous metal cuttings in a form liable to self-heatingUN2845Pyrophoric liquids, organic, n.o.s
View the full Class 4.2 list →

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