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HomeUN NumbersClass 4.2UN3205
Hazard Class 4.2Packing Group II/III

UN Number

UN3205

Alkaline earth metal alcoholates, n.o.s

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

2 rows in 49 CFR 172.101 for UN3205.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
GAlkaline earth metal alcoholates, n.o.s4.2II4.265, A7, IB6, IP2, T3, TP33, W31None21224115 kg50 kgB—
GAlkaline earth metal alcoholates, n.o.s4.2III4.265, A7, IB8, IP3, T1, TP33, W31None21324125 kg100 kgB—
  • 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

UN3200Pyrophoric solid, inorganic, n.o.sUN3206Alkali metal alcoholates, self-heating, corrosive, n.o.s.

Nearby Class 4.2 UN Numbers

UN3191Self-heating solid, toxic, inorganic, n.o.s.UN3192Self-heating solid, corrosive, inorganic, n.o.s.UN3194Pyrophoric liquid, inorganic, n.o.sUN3254TributylphosphaneUN3255tert-Butyl hypochloriteUN3313Organic pigments, self-heating
View the full Class 4.2 list →

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