UN 1397 — ADR 2025 Table A: class 4.3, classification code WT2, packing group I, labels 4.3 +6.1, special provisions 507, limited quantity 0, excepted quantity E0, packing instructions P403, transport category 1, tunnel restriction code (E), hazard identification number —.

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

Table A — ADR 2025 (ECE/TRANS/352), UN 1397
(1) UN No.	1397
(2) Name and description	ALUMINIUM PHOSPHIDE
(3a) Class	4.3
(3b) Classification code	WT2
(4) Packing group	I
(5) Labels	4.3 +6.1
(6) Special provisions	507
(7a) Limited quantities	0
(7b) Excepted quantities	E0
(8) Packaging: packing instructions	P403
(9a) Packaging: special packing provisions	—
(9b) Packaging: mixed packing provisions	MP2
(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 (E)
(16) Special provisions for carriage: packages	V1
(17) Special provisions for carriage: bulk	—
(18) Special provisions for carriage: loading, unloading and handling	CV23 CV28
(19) Special provisions for carriage: operation	S20
(20) Hazard identification No.	—

ADR 2027 (accepted) — no change for UN 1397

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)

ADR 2027: no Table A change for this entry (checked against ECE/TRANS/WP.15/274, Add.1 and Corr.1). Other parts of ADR 2027 may still affect its carriage.

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 (E): in tanks, Prohibited in E; in other carriage, Prohibited in E. Every category except E. (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 4.3 (Substances which emit flammable gases in contact with water), model 6.1 (Toxic substances) (ADR 5.2.2.2.2, label model No. 4.3, 5.2.2.2.2, label model No. 6.1; paraphrase, not yet reviewed)
Packing: Packing instruction P403: Hermetically sealed solids packagings: combination (inners glass 2 kg, plastics 15 kg, metal 20 kg), single drums/jerricans, composites, pressure receptacles. Mixed packing provision MP2: No mixed packing: the goods must be alone in their package. (ADR 4.1.4.1, P403, 4.1.10.4, MP2; paraphrase, not yet reviewed)
Carriage: Carriage provision V1: Packages must go on a closed or sheeted vehicle or in a closed or sheeted container; open vehicles and containers are not allowed. Loading provision CV23: Take special measures when handling packages so they never come into contact with water. Loading provision CV28: Pointer: the provisions of 7.5.4 apply. Operation provision S20: Chapter 8.4 supervision applies above 10 000 kg in packages, or above 3 000 litres in tanks. (ADR 7.2.4, V1, 7.5.11, CV23, 7.5.11, CV28, 8.5, S20; 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 4.3 — Flammable SolidsPacking Group I

UN 1397Class 4.3 — Flammable SolidsPG I