ADR hazard number 638
Hazard identification number 638 on the orange plate: toxic substance that is flammable (flash-point 23-60 °C) and also corrosive.
Printed in the upper half of the orange-coloured plate above the UN number, 638 identifies a toxic substance that is flammable (flash-point 23 °C to 60 °C inclusive) and also corrosive.
| 6 | toxic, or a risk of infection |
|---|---|
| 3 | flammable liquid (vapours) or gas, or a self-heating liquid |
| 8 | corrosive |
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 5 Table A entries
UN 2742 · UN 2743 · UN 2744 · UN 3073 · UN 3362
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 5.3.2.3.2, 638, page 268.
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.