ADR lookup / UN 1951
UN 1951 – ARGON, REFRIGERATED LIQUID
ADR details for UN 1951 from ADR 2025, Table A: class 2, hazard identification number 22 in the upper half of the orange plate.
UN 1951
ADR (road)
- 2.2
| Name and description | ARGON, REFRIGERATED LIQUID |
|---|---|
| Class | 2 |
| Classification code | 3A |
| Packing group | – |
| Labels | 2.2 |
| Hazard identification number | 22 |
| Limited quantity (LQ) | 120 ml |
|---|---|
| Excepted quantity (EQ) | E1 |
| Packing instructions (8) | P203 |
|---|---|
| Mixed packing provisions (9b) | MP9 |
| Portable tanks: instructions (10) | T75 |
|---|---|
| Portable tanks: special provisions (11) | TP5 |
| Tank code (12) | RxBN |
| Special provisions for tanks (13) | TU19; TA4; TT9 |
| Vehicle for tank carriage (14) | AT |
| Transport category | 3 |
|---|---|
| Tunnel restriction code | (C/E) |
| Packages (16) | V5 |
| Loading, unloading and handling (18) | CV9; CV11; CV36 |
| Operation (19) | S20 |
| Special provisions (6) | 593 |
|---|
SP 593
This gas, when used for cooling goods not fulfilling the criteria of any class, e.g. medical or biological specimens, if contained in double wall receptacles which comply with the provisions of packing instruction P203, paragraph (6) for open cryogenic receptacles of 4.1.4.1, is not subject to the requirements of ADR except as specified in 5.5.3.
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. ADR 2025 (valid from 1 Jan 2025), BAM status 4 Nov 2024 (modified)
RID (rail)
| Name and description | ARGON, REFRIGERATED LIQUID |
|---|---|
| Class | 2 |
| Classification code | 3A |
| Labels | 2.2; (13) |
| Hazard identification number | 22 |
| Special provisions (6) | 593 |
| Limited quantity (LQ) | 120 ml |
| Excepted quantity (EQ) | E1 |
| Packing instructions (8) | P203 |
| Mixed packing provisions (9b) | MP9 |
| Portable tanks: instructions (10) | T75 |
| Portable tanks: special provisions (11) | TP5 |
| Tank code (12) | RxBN |
| Special provisions for tanks (13) | TU19; TA4; TT9; TM6 |
| Transport category | 3 |
| Packages (16) | W5 |
| Loading, unloading and handling (18) | CW9; CW11; CW36 |
| Express parcels | CE2 |
SP 593
This gas, when used for cooling goods not fulfilling the criteria of any class, e.g. medical or biological specimens, if contained in double wall receptacles which comply with the provisions of packing instruction P 203, paragraph (6) for open cryogenic receptacles of 4.1.4.1, is not subject to the requirements of RID except as specified in 5.5.3.
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. RID 2025, status 4 Nov 2024 (modified)
ADN (inland waterways)
| Name and description | ARGON, REFRIGERATED LIQUID |
|---|---|
| Class | 2 |
| Classification code | 3A |
| Labels | 2.2 |
| Special provisions (6) | 593 |
| Limited quantity (LQ) | 120 ml |
| Excepted quantity (EQ) | E1 |
| Equipment required | PP |
| Number of cones/blue lights | 0 |
SP 593
This gas, when used for cooling goods not fulfilling the criteria of any class, e.g. medical or biological specimens, if contained in double wall receptacles which comply with the provisions of packing instruction P203, paragraph (6) for open cryogenic receptacles of 4.1.4.1 of ADR, is not subject to the requirements of ADN except as specified in 5.5.3.
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. ADN 2025, status 4 Nov 2024 (modified)
IMDG (sea)
| Name and description | ARGON, REFRIGERATED LIQUID |
|---|---|
| Class | 2.2 |
| Limited quantity (LQ) | 120 ml |
| Excepted quantity (EQ) | E1 |
| Packing instructions (8) | P203 |
| Portable tanks: instructions (10) | T75 |
| Portable tanks: special provisions (11) | TP5 |
| EmS | F-C; S-V |
| Stowage category | D |
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. IMDG Code Amdt. 42-24, applicable from 1 Jan 2026, status 9 Dec 2025 (modified)
ICAO (air)
| Name and description | Argon, refrigerated liquid |
|---|---|
| Class | 2.2 |
| Labels | Gas non-flammable |
| Excepted quantity (EQ) | E1 |
| Packing instruction passenger aircraft | 202 |
| Max. net quantity passenger aircraft | 50 kg |
| Packing instruction cargo aircraft | 202 |
| Max. net quantity cargo aircraft | 500 kg |
| ERG code | 2L |
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. ICAO TI 2025–2026, status 5 Nov 2024 (modified)
We maintain this information to the best of our knowledge, but errors and outdated data are possible. It does not replace the official text of ADR, RID, ADN, the IMDG Code or the ICAO TI, nor a check by a dangerous goods safety adviser. No liability is accepted for the information.
