UN 2805

LITHIUM HYDRIDE, FUSED SOLID

UN 2805 — ADR 2025 Table A: class 4.3, classification code W2, packing group II, labels 4.3, special provisions —, limited quantity 500 g, excepted quantity E2, packing instructions P410 IBC04, transport category 2, tunnel restriction code (D/E), hazard identification number 423.

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

Table A — ADR 2025 (ECE/TRANS/352), UN 2805
(1) UN No.2805
(2) Name and descriptionLITHIUM HYDRIDE, FUSED SOLID
(3a) Class4.3
(3b) Classification codeW2
(4) Packing groupII
(5) Labels4.3
(6) Special provisions—
(7a) Limited quantities500 g
(7b) Excepted quantitiesE2
(8) Packaging: packing instructionsP410 IBC04
(9a) Packaging: special packing provisionsPP40
(9b) Packaging: mixed packing provisionsMP14
(10) Portable tanks and bulk containers: instructionsT3
(11) Portable tanks and bulk containers: special provisionsTP33
(12) ADR tank: tank codeSGAN
(13) ADR tank: special provisions—
(14) Vehicle for tank carriageAT
(15) Transport category (Tunnel restriction code)2 (D/E)
(16) Special provisions for carriage: packagesV1
(17) Special provisions for carriage: bulk—
(18) Special provisions for carriage: loading, unloading and handlingCV23
(19) Special provisions for carriage: operation—
(20) Hazard identification No.423

ADR 2027 (accepted) — no change for UN 2805

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.

This entry under ADR 2027 on the API: /api/adr?un=2805&edition=2027 (editions and as_of).

ADR 2025 is the edition that applies until ADR 2027 takes effect on 1 January 2027, and FreightUtils answers on it by default until then; the API answers on ADR 2027 now with edition=2027. After that date, 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/E): in tanks, Prohibited in D, E (bulk or tanks); in other carriage, Prohibited in E. Bulk/tanks: A, B, C. Packages: A, B, C, D. (ADR 8.6.4; from the ADR table itself)
Small-load exemption
Transport category 2: at most 333 per transport unit under 1.1.3.6, counted ×3 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) (ADR 5.2.2.2.2, label model No. 4.3; paraphrase, not yet reviewed)
Packing
Packing instruction P410: Solids of PG II/III: combination, single drums, jerricans, boxes, bags, composites and pressure receptacles, with net mass limits. Packing instruction IBC04: Solids under IBC04 may go only in metal IBCs (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B, 31N). Special packing provision PP40: Ten listed UN numbers in packing group II may not be packed in bags. Mixed packing provision MP14: Up to 6 kg per inner packaging may be mixed with goods of other codes or classes that permit it, or with non-ADR goods. (ADR 4.1.4.1, P410, 4.1.4.2, IBC04, 4.1.4.1, P410, PP40, 4.1.10.4, MP14; paraphrase, not yet reviewed)
Tanks
Portable tank instruction T3: Portable tank, Class 1 and 3–9: test 2.65 bar; shell See 6.7.2.4.2; relief Normal; bottom openings See 6.7.2.6.2. Portable tank provision TP33: The assigned tank instruction covers granular/powdered solids and solids loaded hot but carried as a solid mass. Tank code SGAN: ADR tank code for Classes 1 and 3–9: solid tank, G (general minimum), openings A, valves/devices N. — S: tank for solid-state substances (powdery or granular); G: minimum calculation pressure under the general requirements of 6.8.2.1.14; A: filling or discharge openings at the bottom, each with 2 closures; N: has no 6.8.2.2.6 breather device and is not hermetically closed Vehicle for tank carriage: AT — Tank vehicle for dangerous goods that is not EX/III, FL or a MEMU: tanks over 1 m³ / 3 m³, or battery-vehicle over 1 m³. (ADR 4.2.5.2.6, portable tank instruction T3, 4.2.5.3, TP33, 4.3.4.1.1, tank code SGAN, 9.1.1.2, AT vehicle; 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. (ADR 7.2.4, V1, 7.5.11, CV23; 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 II
UN 2805Class 4.3 — Flammable SolidsPG II
Packing Group
II
Medium danger
Classification Code
W2
Tunnel Code
(D/E) meaning →
Code governing tunnel passage
Transport Category
2
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
423
Kemler code
Limited Quantity
500 g
Max per inner package for LQ relief
Excepted Quantity
E2
EQ code for excepted quantity relief
Thresholds — why, not just the verdict
Transport Category
Category 2
×3 points per kg/L — up to 333 kg/L of this substance alone stays under the 1,000-point threshold
Per-substance max
333 kg/L
Per-substance maximum for 1.1.3.6 relief (1.1.3.6.3)
Limited Quantity
500 g
Max per inner packaging for LQ relief (Chapter 3.4)
Excepted Quantity
E2
Max 30 ml/g per inner, 500 ml/g per outer package (Chapter 3.5)
Tunnel Code
Governs which tunnel categories the load may pass
Hazard Labels Required
Label 4.3

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Check if UN 2805 qualifies for 1.1.3.6 exemption
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Other Flammable Solids near UN 2805 (Class 4.3)

UN 2806
LITHIUM NITRIDE
UN 2813
WATER-REACTIVE SOLID, N.O.S.
UN 2830
LITHIUM FERROSILICON
UN 2835
SODIUM ALUMINIUM HYDRIDE
UN 2844
CALCIUM MANGANESE SILICON
All Class 4.3 UN numbers →
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📅Data: UNECE ADR 2025 (ECE/TRANS/352), via EU Directive 2008/68/EC. Last verified October 2026

ADR reference data only. Classification is the consignor's legal responsibility. Consult a DGSA for compliance decisions.

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