UN 3507 — ADR 2025 Table A: class 6.1, classification code —, packing group I, labels 6.1 +8, special provisions 317 369, limited quantity 0, excepted quantity E0, packing instructions P603, transport category 1, tunnel restriction code (D), hazard identification number —.

UNECE ADR 2025, ECE/TRANS/352 · checked 2026-10-28

Table A — ADR 2025 (ECE/TRANS/352), UN 3507
(1) UN No.	3507
(2) Name and description	URANIUM HEXAFLUORIDE, RADIOACTIVE MATERIAL, EXCEPTED PACKAGE, less than 0.1 kg per package, non-fissile or fissile-excepted
(3a) Class	6.1
(3b) Classification code	—
(4) Packing group	I
(5) Labels	6.1 +8
(6) Special provisions	317 369
(7a) Limited quantities	0
(7b) Excepted quantities	E0
(8) Packaging: packing instructions	P603
(9a) Packaging: special packing provisions	—
(9b) Packaging: mixed packing provisions	—
(10) Portable tanks and bulk containers: instructions	—
(11) Portable tanks and bulk containers: special provisions	—
(12) ADR tank: tank code	—
(13) ADR tank: special provisions	—
(14) Vehicle for tank carriage	—
(15) Transport category (Tunnel restriction code)	1 (D)
(16) Special provisions for carriage: packages	—
(17) Special provisions for carriage: bulk	—
(18) Special provisions for carriage: loading, unloading and handling	See SP 369
(19) Special provisions for carriage: operation	S21
(20) Hazard identification No.	—

ADR 2027 (accepted) — what changes for UN 3507

ADR 2027 was accepted: depositary notification C.N.395.2026 (9 October 2026) records no objection to the amendments proposed by C.N.252.2026. It applies from 1 January 2027, and ADR 2025 may still be applied until 30 June 2027 (1.6.1.1). (C.N.395.2026)

UN 3507: Table A changes, ADR 2025 → ADR 2027
Column	ADR 2025 → ADR 2027	Source
(18) Carriage special provisions: loading, unloading and handling	See SP 369 → See SP 369 CV28	ECE/TRANS/WP.15/274/Add.1, PDF p. 4

ADR 2025 remains the edition FreightUtils serves and the one that applies until ADR 2027 takes effect on 1 January 2027; after that, ADR 2025 may still be applied until 30 June 2027 (1.6.1.1).

All ADR 2027 Table A changes →Check a list of UN numbers →

In plain words

Tunnels: Tunnel code (D): in tanks, Prohibited in D, E; in other carriage, Prohibited in D, E. Categories A, B, C. (ADR 8.6.4; from the ADR table itself)
Small-load exemption: Transport category 1: at most 20 per transport unit under 1.1.3.6, counted ×50 toward the 1,000-point limit (ADR 1.1.3.6.3; from the ADR table itself)
Labels: Labels: model 6.1 (Toxic substances), model 8 (Corrosive substances) (ADR 5.2.2.2.2, label model No. 6.1, 5.2.2.2.2, label model No. 8; paraphrase, not yet reviewed)
Packing: Packing instruction P603: UN 3507 uranium hexafluoride, excepted package: metal or plastics primary receptacles in leakproof rigid secondary packaging in rigid outer. (ADR 4.1.4.1, P603; paraphrase, not yet reviewed)
Carriage: Operation provision S21: Chapter 8.4 supervision for any mass, unless locked/protected and ≤ 5 µSv/h at the vehicle surface; security-plan supervision under 1.10.3. (ADR 8.5, S21; paraphrase, not yet reviewed)

Assembled from FreightUtils' meanings of the Table A codes, not the official text. A statement marked “not yet reviewed” has not yet been checked against ADR by a person.

Class 6.1 — Toxic & Infectious SubstancesPacking Group I

UN 3507Class 6.1 — Toxic & Infectious SubstancesPG I