ADR hazard number 39

Hazard identification number 39 on the orange plate: flammable liquid able to lead spontaneously to a violent reaction.

Printed in the upper half of the orange-coloured plate above the UN number, 39 identifies a flammable liquid able to lead spontaneously to a violent reaction.

Digit by digit
3flammable liquid (vapours) or gas, or a self-heating liquid
9risk of a spontaneous violent reaction (by the nature of the substance: explosion, disintegration or polymerization with much heat or flammable and/or toxic gases released)

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 7 Table A entries

UN 2055 · UN 2227 · UN 2283 · UN 2348 · UN 2527 · UN 2607 · UN 2618

Source: ADR 2025 (ECE/TRANS/352), Volume II, section 5.3.2.3.2, 39, 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.