ADR special provision 533
Flammable formaldehyde solutions (UN 1198) are Class 3; non-flammable solutions under 25 % formaldehyde are not subject to ADR.
Flammable formaldehyde solutions, UN 1198, belong to Class 3. Non-flammable formaldehyde solutions containing less than 25 % formaldehyde are outside ADR.
| Value | Applies when |
|---|---|
| 25 % formaldehyde | below this, non-flammable solutions are not subject to ADR |
Refers to: UN 1198.
Carried by 1 Table A entry
Source: ADR 2025 (ECE/TRANS/352), Volume I, section 3.3.1, special provision 533, page 643.
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.