P201 This instruction applies to UN Nos. 3167, 3168 and 3169. The following packagings are authorized: (1) Cylinders and gas receptacles conforming to the construction, testing and filling requirements approved by the competent authority. (2) The following combination packagings provided that the general provisions of 4.1.1 and 4.1.3 are met: Outer packagings: Drums (1A1, 1A2, 1B1, 1B2, 1N1, 1N2, 1H1, 1H2, 1D, 1G); Boxes (4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H1, 4H2); Jerricans (3A1, 3A2, 3B1, 3B2, 3H1, 3H2). Inner packagings: (a) For non-toxic gases, hermetically sealed inner packagings of glass or metal with a maximum capacity of L per package; (b) For toxic gases, hermetically sealed inner packagings of glass or metal with a maximum capacity of 1 L per package. Packagings shall conform to the packing group III performance level.
The gas shall be at a pressure corresponding to ambient atmospheric pressure at the time the containment system is closed and this shall not exceed 105 kPa absolute.
IMDG Code 42-24 · English source text
Labels and marks
Reference preview for Entry 1. Confirm the cargo classification and any conditions in the special provisions.
Toxic gas 2.3
⚠ The marine pollutant (MP) status must be determined from the actual consignment: this is a generic N.O.S. entry, and no "P" in column 4 of the Index does not exclude applicability (2.10.2.4). Per 2.10.2.5, if the consignment meets the marine pollutant criteria of 2.9.3 it must be carried as a marine pollutant with the MP mark.