ADR hazard number 28

Hazard identification number 28 on the orange plate: corrosive gas.

Printed in the upper half of the orange-coloured plate above the UN number, 28 identifies a corrosive gas.

Digit by digit
2gas given off, either because of pressure or through a chemical reaction
8corrosive

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 1 Table A entry

UN 3503

Source: ADR 2025 (ECE/TRANS/352), Volume II, section 5.3.2.3.2, 28, 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.