ADR hazard number 663
Hazard identification number 663 on the orange plate: highly toxic substance that is flammable (flash-point not above 60 °C).
Printed in the upper half of the orange-coloured plate above the UN number, 663 identifies a highly toxic substance that is flammable (flash-point not above 60 °C). 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 |
| 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 60 Table A entries
UN 1092 · UN 1098 · UN 1135 · UN 1143 · UN 1163 · UN 1182 · UN 1185 · UN 1238 · UN 1239 · UN 1244 · UN 1259 · UN 1613 · UN 1695 · UN 1994 · UN 2295 · UN 2334 · UN 2337 · UN 2382 · UN 2438 · UN 2477 and 40 more UN numbers
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 5.3.2.3.2, 663, page 268.
Paraphrase in FreightUtils' own words, not the official text. Not yet reviewed.
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