ADR hazard number 23
Hazard identification number 23 on the orange plate: flammable gas.
Printed in the upper half of the orange-coloured plate above the UN number, 23 identifies a flammable gas.
| 2 | gas given off, either because of pressure or through a chemical reaction |
|---|---|
| 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 42 Table A entries
UN 1011 · UN 1012 · UN 1027 · UN 1030 · UN 1032 · UN 1033 · UN 1035 · UN 1036 · UN 1037 · UN 1039 · UN 1049 · UN 1055 · UN 1061 · UN 1063 · UN 1075 · UN 1077 · UN 1083 · UN 1912 · UN 1954 · UN 1957 and 22 more UN numbers
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 5.3.2.3.2, 23, 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.