Ask X3What does 49 CFR 173.223 (Packagings for certain flammable solids) require?
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According to 49 CFR 173.223, when transporting "Musk xylene," "5-tert-Butyl-2,4,6-trinitro-m-xylene," "Azodicarbonamide," or "Isosorbide-5-mononitrate" by rail, highway, or vessel, you must use packagings that meet the general packaging requirements of subpart B of part 173 and the part 178 requirements at the Packing Group III performance level.
Additionally, you are restricted to using only these specific packaging options:
1. Fiberboard box (4G) with a single inner plastic bag, with a maximum net mass of 50 kg (110 lbs) or less.
2. Fiberboard box (4G) or fiber drum (1G) with a plastic inner packaging of 5 kg (11 lbs) or less, and a maximum total net mass of 25 kg (55 lbs) or less.
3. Fiber drum (1G) with a maximum net mass of 50 kg (110 lbs) or less, which may include a coating or lining.