ADR packing instruction P601
Heading in ADR: “P601 PACKING INSTRUCTION”
Hermetically sealed packagings for highly toxic liquids: canned glass inners (15 kg gross), 5 l inners (75 kg), drum-in-drum, or pressure receptacles.
All packagings must be hermetically sealed. Options: (1) glass inners of up to 1 litre, filled to 90 % at most with secured closures, each in a metal receptacle with absorbent cushioning, inside listed drums or boxes, maximum gross mass 15 kg; (2) metal or plastics inners of up to 5 litres, 90 % filled, with absorbent and inert cushioning, in listed outers up to 75 kg gross; (3) inner drums or composites (1A1, 1B1, 1N1, 1H1, 6HA1) of up to 125 litres, pressure tested at 0.3 MPa and leak tested at 30 kPa, cushioned inside steel or plastics outer drums, re-leak-tested every two and a half years, inspected every 3 years and marked with test dates and the expert stamp; (4) pressure receptacles meeting 4.1.3.6, tested every 10 years at 1 MPa (10 bar), with no relief device, outer packaging if walls are under 2.0 mm or valves are unprotected, and no manifolding. For liquids toxic by inhalation with LC50 of 200 ml/m3 or less, plugs or valves must be taper-threaded, packless (or sealed packed type for corrosives), capped and compatible with the contents.
| Value | Applies when |
|---|---|
| 1 l | maximum per glass inner packaging, option (1) |
| 15 kg | maximum gross mass, option (1) |
| 5 l | maximum per metal or plastics inner, option (2) |
| 75 kg | maximum gross mass, option (2) |
| 125 l | maximum capacity of inner drum, option (3) |
| 90 % | maximum fill of inner packagings |
| 10 bar | minimum test pressure of pressure receptacles (1 MPa), every 10 years |
| 2 mm | wall thickness below which a pressure receptacle needs an outer packaging |
| Type | Code | Packing groups | Max capacity (L) | Max net mass (kg) |
|---|---|---|---|---|
| (1) combination: glass in metal receptacle in outer — inner: glass max 1 l each in metal receptacles with absorbent cushioning; 15 kg gross | 1A1, 1A2, 1B1, 1B2, 1N1, 1N2, 1H1, 1H2, 1D, 1G, 4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H2 | — | — | — |
| (2) combination: metal or plastics inners — inner: metal or plastics max 5 l each; 75 kg gross | 1A1, 1A2, 1B1, 1B2, 1N1, 1N2, 1H1, 1H2, 1D, 1G, 4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H2 | — | — | — |
| (3) drum in drum | outer 1A1, 1A2, 1H1, 1H2; inner 1A1, 1B1, 1N1, 1H1, 6HA1 | — | 125 | — |
| (4) pressure receptacles — inner: subject to 4.1.3.6 | — | — | — | — |
| special packing provisions referenced | RR7, RR10 |
|---|
Note. PP82 and RR3 are printed as deleted.
Refers to: 4.1.1; 4.1.3; 4.1.3.6; 6.1.5.
Carried by 19 Table A entries
UN 1092 · UN 1185 · UN 1251 · UN 1259 · UN 1380 · UN 1580 · UN 1613 · UN 1614 · UN 1994 · UN 2480 · UN 3281 · UN 3294 · UN 3381 · UN 3383 · UN 3385 · UN 3387 · UN 3389 · UN 3488 · UN 3490
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 4.1.4.1, P601, page 124.
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.