ADR hazard number 668
Hazard identification number 668 on the orange plate: highly toxic substance that is also corrosive.
Printed in the upper half of the orange-coloured plate above the UN number, 668 identifies a highly toxic substance that is also corrosive. A repeated figure means that hazard is intensified.
| 6 | toxic, or a risk of infection |
|---|---|
| 6 | repeated 6: doubling a figure means that hazard (toxic) is intensified |
| 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 15 Table A entries
UN 1595 · UN 1722 · UN 1752 · UN 1809 · UN 1889 · UN 2740 · UN 2927 · UN 2928 · UN 3246 · UN 3289 · UN 3290 · UN 3389 · UN 3390 · UN 3423 · UN 3560
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 5.3.2.3.2, 668, 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.