49 CFR 173.322
Ethyl chloride.
Ethyl chloride must be packaged in any of the following single or combination non-bulk packagings which meet Packing Group I performance level requirements:#
(a)In 4C1, 4C2, 4D or 4F wooden boxes with glass, earthenware, or metal inner receptacles not over 500 g (17.6 ounces) capacity each;#
(b)In 4G fiberboard boxes with glass, earthenware, or metal inner receptacles not over 500 g (17.6 ounces) capacity each. Outer packagings may not exceed 30 kg (66 pounds) gross weight;#
(c)In 1A1 drums of not over 100 L (26 gallons) capacity each; or#
(d)In specification cylinders as prescribed for any compressed gas except acetylene. Cylinders made of aluminum alloy are not authorized.#
(e)In capsules under the following conditions:#
(1)The mass of gas must not exceed 150 g (5.30 ounces) per capsule;#
(2)The capsule must be free of faults liable to impair its strength;#
(3)The leakproofness integrity of the closure must be maintained by a secondary means (e.g., cap, crown, seal, binding, etc.) capable of preventing any leakage of the closure while in transportation; and#
(4)The capsules must be placed in a strong outer packaging suitable for the contents and may not exceed a gross mass of 75 kg (165 pounds).#