UN1420

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Potassium, metal alloys, liquid

Official source: 49 CFR 172.101 (eCFR)

Hazardous Materials Table entry

One row in 49 CFR 172.101 for UN1420.

Sym.	Description	Class	PG	Labels	Special provisions	8A	8B	8C	9A	9B	10A	10B
—	Potassium, metal alloys, liquid	4.3	I	4.3	A7, A19, A20, B27, W31	None	201	244	Forbidden	1 L	E	13, 40, 52, 148

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 4.3 — Dangerous When Wet Material

See the full class list

Dangerous when wet material (Division 4.3) is a material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour.

Source: 49 CFR 173.124 (eCFR).

Previous / next UN number

UN1419Magnesium aluminum phosphide UN1421Alkali metal alloys, liquid, n.o.s

Nearby Class 4.3 UN Numbers

UN1415Lithium UN1417Lithium silicon UN1418Magnesium, powder or Magnesium alloys, powder UN1422Potassium sodium alloys, liquid UN1423Rubidium UN1426Sodium borohydride

View the full Class 4.3 list →

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