P405 PACKING INSTRUCTION P405
This instruction applies to UN 1381.

The following packagings are authorized, provided that the general provisions of 4.1.1 and 4.1.3 are met:

  1. For UN 1381, wet phosphorus:

    1. Combination packagings

      Outer packagings: (4A, 4B, 4N, 4C1, 4C2, 4D or 4F); maximum net mass: 75 kg

      Inner packagings:

      1. hermetically sealed metal cans, with a maximum net mass of 15 kg; or

      2. glass inner packagings cushioned on all sides with dry, absorbent, non-combustible material in a quantity sufficient to absorb the entire contents with a maximum net mass of 2 kg; or

    2. Drums (1A1, 1A2, 1B1, 1B2, 1N1 or 1N2); maximum net mass: 400 kg

      Jerricans (3A1 or 3B1); maximum net mass: 120 kg.

These packagings shall be capable of passing the leakproofness test specified in 6.1.5.4 at the packing group II performance level.

  1. For UN 1381, dry phosphorus:

    1. When fused, drums (1A2, 1B2 or 1N2) with a maximum net mass of 400 kg; or

    2. In projectiles or hard-cased articles when transported without class 1 components, as specified by the competent authority.

Special packing provision:

PP31
For UN 1381, packagings shall be hermetically sealed.