UN 2803

GALLIUM

UN 2803 — ADR 2025 Table A: class 8, classification code C10, packing group III, labels 8, special provisions 365, limited quantity 5 kg, excepted quantity E0, packing instructions P800, transport category 3, tunnel restriction code (E), hazard identification number 80.

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

Table A — ADR 2025 (ECE/TRANS/352), UN 2803
(1) UN No.2803
(2) Name and descriptionGALLIUM
(3a) Class8
(3b) Classification codeC10
(4) Packing groupIII
(5) Labels8
(6) Special provisions365
(7a) Limited quantities5 kg
(7b) Excepted quantitiesE0
(8) Packaging: packing instructionsP800
(9a) Packaging: special packing provisionsPP41
(9b) Packaging: mixed packing provisionsMP10
(10) Portable tanks and bulk containers: instructionsT1
(11) Portable tanks and bulk containers: special provisionsTP33
(12) ADR tank: tank codeSGAV L4BN
(13) ADR tank: special provisions—
(14) Vehicle for tank carriageAT
(15) Transport category (Tunnel restriction code)3 (E)
(16) Special provisions for carriage: packages—
(17) Special provisions for carriage: bulkVC1 VC2 AP7
(18) Special provisions for carriage: loading, unloading and handling—
(19) Special provisions for carriage: operation—
(20) Hazard identification No.80

ADR 2027 (accepted) — no change for UN 2803

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=2803&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 (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 3: at most 1000 per transport unit under 1.1.3.6, counted ×1 toward the 1,000-point limit (ADR 1.1.3.6.3; from the ADR table itself)
Labels
Labels: model 8 (Corrosive substances) (ADR 5.2.2.2.2, label model No. 8; paraphrase, not yet reviewed)
Packing
Packing instruction P800: Gallium and mercury (UN 2803, 2809): pressure receptacles, steel flasks up to 3 l, or 15 kg inners with leakproof liner in drums or boxes. Special packing provision PP41: UN 2803 gallium may be overpacked with dry ice or other refrigerant to stay solid, with material, venting and support rules. Mixed packing provision MP10: Up to 5 kg per inner packaging may be mixed with same-class goods of other codes, other classes that permit it, or non-ADR goods. (ADR 4.1.4.1, P800, 4.1.4.1, P800, PP41, 4.1.10.4, MP10; paraphrase, not yet reviewed)
Tanks
Portable tank instruction T1: Portable tank, Class 1 and 3–9: test 1.5 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 SGAV: ADR tank code for Classes 1 and 3–9: solid tank, G (general minimum), openings A, valves/devices V. — 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; V: has a 6.8.2.2.6 breather device but no flame-propagation protection, or is not explosion-pressure-shock resistant Tank code L4BN: ADR tank code for Classes 1 and 3–9: liquid tank, 4 bar, openings B, valves/devices N. — L: tank for liquid-state substances (liquids, or solids handed over molten); 4: minimum calculation pressure of 4 bar (see 6.8.2.1.14); B: filling or discharge openings at the bottom, each with 3 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 T1, 4.2.5.3, TP33, 4.3.4.1.1, tank code SGAV, 4.3.4.1.1, tank code L4BN, 9.1.1.2, AT vehicle; paraphrase, not yet reviewed)
Carriage
Bulk carriage VC1: Bulk carriage allowed in sheeted vehicles, sheeted containers or sheeted bulk containers (BK1 also usable if 7.3.3.2 met). Bulk carriage VC2: Bulk carriage allowed in closed vehicles, closed containers or closed bulk containers (BK2 also usable if 7.3.3.2 met). Bulk provision AP7: Bulk carriage is permitted only as a full load. (ADR 7.3.3.1, VC1, 7.3.3.1, VC2, 7.3.3.2, AP7; 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 8 — Corrosive SubstancesPacking Group III
UN 2803Class 8 — Corrosive SubstancesPG III
Packing Group
III
Low danger
Classification Code
C10
Tunnel Code
(E) meaning →
Code governing tunnel passage
Transport Category
3
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
80
Kemler code
Limited Quantity
5 kg
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Thresholds — why, not just the verdict
Transport Category
Category 3
×1 points per kg/L — up to 1,000 kg/L of this substance alone stays under the 1,000-point threshold
Per-substance max
1,000 kg/L
Per-substance maximum for 1.1.3.6 relief (1.1.3.6.3)
Limited Quantity
5 kg
Max per inner packaging for LQ relief (Chapter 3.4)
Excepted Quantity
E0
No excepted-quantity relief for this entry (Chapter 3.5)
Tunnel Code
Governs which tunnel categories the load may pass
Special Provisions
SP 365
May alter scope or limits — full text in ADR 2025 Chapter 3.3
Hazard Labels Required
Label 8

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

Special Provisions
SP 365

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

Check if UN 2803 qualifies for 1.1.3.6 exemption
Calculate small load points and check exemption thresholds
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Other Corrosive Substances near UN 2803 (Class 8)

UN 2798
PHENYLPHOSPHORUS DICHLORIDE
UN 2799
PHENYLPHOSPHORUS THIODICHLORIDE
UN 2800
BATTERIES, WET, NON-SPILLABLE, e…
UN 2801
DYE, LIQUID, CORROSIVE, N.O.S. o…
UN 2802
COPPER CHLORIDE
All Class 8 UN numbers →
Use this data programmatically
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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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