UN 3121 OXIDIZING SOLID, WATER-REACTIVE, N.O.S.: status under ADR 2025 and the IMDG Code
UN 3121 in the dangerous goods lists of ADR 2025 (road) and the IMDG Code (sea). The proper shipping name, class and packing group come from your safety data sheet, section 14: pick the entry that matches it.
Checked against the sources on 27 October 2026
BAM Datenbank GEFAHRGUT, dl-de/by-2-0
Checked against the sources on 27 October 2026
Road: ADR 2025, Table A
OXIDIZING SOLID, WATER-REACTIVE, N.O.S.: carriage prohibited.
Sea: IMDG Code, Amendment 42-24
| Proper shipping name and description | Class | Subsidiary hazard | Packing group | Marine pollutant | Limited quantity | Excepted quantity | EmS | Stowage category |
|---|---|---|---|---|---|---|---|---|
| OXIDIZING SOLID, WATER-REACTIVE, N.O.S. | 5.1 | 4.3 | I | none | 0 | E0 | F-G, S-L | none |
| OXIDIZING SOLID, WATER-REACTIVE, N.O.S. | 5.1 | 4.3 | II | none | 0 | E0 | F-G, S-L | none |
Labels, safety data sheet and the full list
- The hazard label for the package under CLP: CLP label generator.
- Section 14 of the safety data sheet carries these transport data: safety data sheet template.
- The ADR transport document and the multimodal form for this entry: dangerous goods declaration kit.
- Every UN number in ADR 2025: UN number list.
This page does not classify a substance: the UN number and packing group come from the manufacturer's classification. Air transport (IATA) is not covered, nor are segregation, stowage rules beyond the category, or national exemptions. Data: ADR 2025 and IMDG Code, Amendment 42-24, downloaded from BAM on 2026-10-27. Changes: selected columns, headings and explanations added; the values are as BAM publishes them.
Sources
- Source: Bundesanstalt für Materialforschung und -prüfung (BAM) – Datenbank GEFAHRGUT – URL: https://tes.bam.de/en/dangerous-goods-database
- Data licence Germany – attribution – Version 2.0 (dl-de/by-2-0)
- BAM Dangerous Goods Dataservice (UN-No. System, ADR and IMDG files)
- UNECE, ADR 2025 (ECE/TRANS/352), Vol. II, 5.4.1.1.1