ADR hazard number 263
Hazard identification number 263 on the orange plate: toxic gas that is also flammable.
Printed in the upper half of the orange-coloured plate above the UN number, 263 identifies a toxic gas that is also flammable.
| 2 | gas given off, either because of pressure or through a chemical reaction |
|---|---|
| 6 | toxic, or a risk of infection |
| 3 | flammable liquid (vapours) or gas, or a self-heating liquid |
Note. Number and meaning pairing checked against a second text extraction of the list.
Refers to: 5.3.2.3.1; 5.3.2.2.3; Table A column (20).
Carried by 20 Table A entries
UN 1016 · UN 1023 · UN 1026 · UN 1040 · UN 1053 · UN 1064 · UN 1071 · UN 1082 · UN 1953 · UN 2189 · UN 2192 · UN 2204 · UN 2534 · UN 3160 · UN 3300 · UN 3305 · UN 3309 · UN 3355 · UN 3504
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 5.3.2.3.2, 263, page 267.
Paraphrase in FreightUtils' own words, not the official text. Not yet reviewed.
ADR 2027 amendments (accepted, applying from 1 January 2027) are not yet reflected on this page.