We use cookies to improve your experience and save your reports. Privacy Policy

HomeUN NumbersClass 9UN3258
Hazard Class 9Packing Group III

UN Number

UN3258

Elevated temperature solid, n.o.s., at or above 240 C, see § 173.247(h)(4)

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN3258.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
GElevated temperature solid, n.o.s., at or above 240 C, see § 173.247(h)(4)9III9—247 (h)(4)None247ForbiddenForbiddenA85
  • 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 9 — Miscellaneous Hazardous Material

See the full class list

Miscellaneous hazardous material (Class 9) is a material which presents a hazard during transportation but which does not meet the definition of any other hazard class, including elevated temperature materials, hazardous substances, hazardous wastes, and marine pollutants.

Source: 49 CFR 173.140 (eCFR).

Previous / next UN number

UN3257Elevated temperature liquid, n.o.s., at or above 100 C and below its flash point (including molten metals, molten salts, etc.)UN3259Amines, solid, corrosive, n.o.s., or Polyamines, solid, corrosive n.o.s.

Nearby Class 9 UN Numbers

UN3152Polyhalogenated biphenyls, solid or Halogenated monomethyldiphenyl-methanes, solid or Polyhalogenated terphenyls, solidUN3166Vehicle, flammable gas powered or Vehicle, fuel cell, flammable gas poweredUN3171Battery-powered vehicle or Battery-powered equipmentUN3268Safety devices, electrically initiatedUN3314Plastic molding compound in dough, sheet or extruded rope form evolving flammable vaporUN3316Chemical kitUN3334Aviation regulated liquid, n.o.s
View the full Class 9 list →

Shipping a UN3258 Stream?

SymbioFlows matches your classified waste stream with verified recovery off-takers. Get a compliance-grounded recovery analysis with market benchmarks in minutes.

Request Recovery Analysis

Reviewed by our regulatory specialist within 1 business day.