ADR packing instruction P501
Heading in ADR: “P501 PACKING INSTRUCTION”
Hydrogen peroxide UN 2015: inners of 5 l (125 kg outer) or 2 l bagged (50 kg 4G/1G), single and composite packagings; vented, filled to 90 %.
Covers UN 2015. Combination packagings: glass, plastics or metal inners of up to 5 litres in the listed boxes, drums or jerricans with up to 125 kg net, or plastics or metal inners of up to 2 litres each in a plastics bag inside fibreboard boxes (4G) or fibre drums (1G) with up to 50 kg net. Single non-removable head drums of up to 250 litres and jerricans of up to 60 litres, and composite packagings (250 litres for plastics receptacles in drums, 60 litres in crates or boxes and for glass receptacles) are also allowed. All packagings must be vented and filled to no more than 90 %.
| Value | Applies when |
|---|---|
| 90 % | maximum filling degree |
| Type | Code | Packing groups | Max capacity (L) | Max net mass (kg) |
|---|---|---|---|---|
| combination: boxes, drums or jerricans — inner: glass, plastics or metal, max 5 l each | 4A, 4B, 4N, 4C1, 4C2, 4D, 4H2; 1A1, 1A2, 1B1, 1B2, 1N1, 1N2, 1H1, 1H2, 1D; 3A1, 3A2, 3B1, 3B2, 3H1, 3H2 | — | — | 125 |
| combination: fibreboard boxes or fibre drums — inner: plastics or metal, max 2 l each, each in a plastics bag | 4G, 1G | — | — | 50 |
| single: drums | 1A1, 1B1, 1N1, 1H1 | — | 250 | — |
| single: jerricans | 3A1, 3B1, 3H1 | — | 60 | — |
| composite: plastics receptacle in drum | 6HA1, 6HB1, 6HG1, 6HH1, 6HD1 | — | 250 | — |
| composite: plastics receptacle in crate or box | 6HA2, 6HB2, 6HC, 6HD2, 6HG2, 6HH2 | — | 60 | — |
| composite: glass receptacle | 6PA1, 6PB1, 6PD1, 6PG1, 6PA2, 6PB2, 6PC, 6PG2, 6PD2, 6PH1, 6PH2 | — | 60 | — |
Note. Single and composite capacities read from a value column offset by one row; realigned by counting rows.
Refers to: 4.1.1; 4.1.3.
Carried by 2 Table A entries
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 4.1.4.1, P501, page 117.
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.