HazMat Tool — substance information Reference only — not a shipping paper, placard mandate, or CVI record.

Radioactive material, Type A package, special form, fissile

HMT 15 June 2026

UN / ID: UN 3333
Hazard class: 7
Packing group: —
ERG guide: ERG 165
Special provisions: SP A56, SP W7, SP W8
Source: 49 CFR §172 (15 June 2026)

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Radioactive material, Type A package, special form, fissile

Emergency Response Guide No. 165

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

(3) Hazard class

7
Radioactive materials

(7) Special Provisions (§172.102)

×Note:
Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.

A56	Radioactive material with a subsidiary hazard of Division 4.2, Packing Group I, must be transported in Type B packages when offered for transportation by aircraft. Where the subsidiary hazard material is “Forbidden” in column (9A) or (9B) of the § 172.101 Table, the radioactive material may only be offered for transportation and transported by aircraft under conditions approved by the Associate Administrator. Browse special provision A56
W7	Vessel stowage category for uranyl nitrate hexahydrate solution is “D” as defined in § 172.101(k)(4). Browse special provision W7
W8	Vessel stowage category for pyrophoric thorium metal or pyrophoric uranium metal is “D” as defined in § 172.101(k)(4). Browse special provision W8

(8) Packing Authorizations (§173.***)

(8A) Exceptions	453	see 49 CFR §173.453
(8B) Non-bulk	417, 476	see 49 CFR §173.417, 476
(8C) Bulk	417, 476	see 49 CFR §173.417, 476

(9) Quantity Limits

(9A) Passenger aircraft/rail	—
(9B) Cargo aircraft only	—

(10) Vessel stowage

(10A) Location

Stowage category “A” means the material may be stowed “on deck” or “under deck” on a cargo vessel or on a passenger vessel.

Source: 49 CFR §172.101(k)

(10B) Other

95	see 49 CFR §176.84
105	see 49 CFR §176.84

Source: 49 CFR §176.84

Segregation chart for load, transport, and storage

This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.

Hazard class	8	7	6.1	5.2	5.1	4.3	4.2	4.1	3	2.3B	2.3A	2.2	2.1	1.6	1.5	1.4	1.3	1.1/1.2
1.1/1.2
1.3
1.4
1.5
1.6
2.1
2.2
2.3A
2.3B
3
4.1
4.2
4.3
5.1
5.2
6.1
7
8

	Must not be loaded, transported, or stored together in the same vehicle or facility.
	May be loaded, transported, or stored together.
	May be loaded, transported, or stored together only with restrictions.

Similar substances

UN / ID	Proper shipping name	Hazard class
UN 3507	Uranium hexafluoride, radioactive material, excepted package, less than 0.1 kg per package, non-fissile or fissile-excepted	6.1
UN 1210	Printing ink, flammable or Printing ink related material (including printing ink thinning or reducing compound), flammable	3
UN 2909	Radioactive material, excepted package-articles manufactured from natural uranium or depleted uranium or natural thorium	7
UN 1614	Hydrogen cyanide, stabilized, with less than 3 percent water and absorbed in a porous inert material	6.1
UN 2915	Radioactive material, Type A package non-special form, non fissile or fissile-excepted	7
UN 3332	Radioactive material, Type A package, special form non fissile or fissile-excepted	7
UN 2913	Radioactive material, surface contaminated objects (SCO-I or SCO-II) non fissile or fissile-excepted	7
UN 2919	Radioactive material, transported under special arrangement, non fissile or fissile excepted	7
UN 2917	Radioactive material, Type B(M) package non fissile or fissile-excepted	7
UN 2916	Radioactive material, Type B(U) package non fissile or fissile-excepted	7
UN 3470	Paint related material corrosive, flammable (including paint thinning or reducing compound)	8
UN 1263	Paint related material including paint thinning, drying, removing, or reducing compound	3
UN 3327	Radioactive material, Type A package, fissile non-special form	7
UN 2912	Radioactive material, low specific activity (LSA-I) non fissile or fissile-excepted	7
UN 3321	Radioactive material, low specific activity (LSA-II) non fissile or fissile-excepted	7