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

HomeUN NumbersClass 4.1UN1321
Hazard Class 4.1Packing Group I

UN Number

UN1321

Dinitrophenolates, wetted with not less than 15 percent water, by mass

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN1321.

Sym.DescriptionClassPGLabelsSpecial provisions8A8B8C9A9B10A10B
—Dinitrophenolates, wetted with not less than 15 percent water, by mass4.1I4.1, 6.123, A8, A19, A20, N41, W31None211None1 kg15 kgE28, 36
  • 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

UN1320Dinitrophenol, wetted with not less than 15 percent water, by massUN1322Dinitroresorcinol, wetted with not less than 15 percent water, by mass

Nearby Class 4.1 UN Numbers

UN1313Calcium resinateUN1314Calcium resinate, fusedUN1318Cobalt resinate, precipitatedUN1323FerroceriumUN1324Films, nitrocellulose base, gelatine coated (except scrap)UN1325Flammable solids, organic, n.o.s.
View the full Class 4.1 list →

Shipping a UN1321 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.